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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Revolver</span></span>
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</style><div role="note" class="hatnote navigation-not-searchable">This article is about the firearm. For other uses, see <a href="Revolver_(disambiguation)" class="mw-disambig" title="Revolver (disambiguation)">Revolver (disambiguation)</a>.</div>
<div role="note" class="hatnote navigation-not-searchable">"Six shooter" redirects here. For other uses, see <a href="Six_shooter_(disambiguation)" class="mw-disambig" title="Six shooter (disambiguation)">Six shooter (disambiguation)</a>.</div>


<p>A <b>revolver</b> is a <a href="Repeating_firearm" title="Repeating firearm">repeating</a> <a href="Handgun" title="Handgun">handgun</a> with at least one <a href="Gun_barrel" title="Gun barrel">barrel</a> and a revolving <a href="Cylinder_(firearms)" title="Cylinder (firearms)">cylinder</a> containing multiple <a href="Chamber_(firearms)" title="Chamber (firearms)">chambers</a> (each holding a single <a href="Cartridge_(firearms)" title="Cartridge (firearms)">cartridge</a>) for firing. Because most revolver models hold six cartridges before needing to be reloaded, revolvers are commonly called <b>six shooters</b> or <b>sixguns</b>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Due to their rotating cylinder mechanism, they may also be called <b>wheel guns</b>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p><p>Before firing, cocking the revolver's <a href="Hammer_(firearms)" title="Hammer (firearms)">hammer</a> partially rotates the cylinder, <a href="Indexing_(motion)" title="Indexing (motion)">indexing</a> one of the cylinder chambers into alignment with the barrel, allowing the <a href="Bullet" title="Bullet">bullet</a> to be fired through the bore. By sequentially rotating through each chamber, the revolver allows the user to fire multiple times until having to reload the gun, unlike older <a href="Single-shot" title="Single-shot">single-shot</a> firearms that had to be reloaded after each shot.
</p><p>The hammer cocking in nearly all revolvers is manually driven and can be cocked either by the user using the <a href="Thumb" title="Thumb">thumb</a> to directly pull back the hammer (as in <a href="Trigger_(firearms)#Single-action" title="Trigger (firearms)">single-action</a>), or via internal <a href="Linkage_(mechanical)" title="Linkage (mechanical)">linkage</a> relaying the force of the trigger-pull (as in <a href="Trigger_(firearms)#Double-action_only" title="Trigger (firearms)">double-action</a>), or both (as in <a href="Trigger_(firearms)#Double-action/single-action" title="Trigger (firearms)">double-action/single-action</a>).
</p><p>Some rare revolver models utilize the <a href="Blowback_(firearms)" title="Blowback (firearms)">blowback</a> of the preceding shot to automatically cock the hammer and index the next chamber, although these self-loading revolvers (known as <a href="Automatic_revolver" title="Automatic revolver">automatic revolvers</a>, despite technically being <a href="Semi-automatic_firearm" title="Semi-automatic firearm">semi-automatic</a>) never gained any widespread usage.
</p><p>Though the majority of weapons using a revolver mechanism are handguns, other firearms may also have a revolver <a href="Action_(firearms)" title="Action (firearms)">action</a>. These include some models of <a href="Rifle" title="Rifle">rifles</a>, <a href="Shotgun" title="Shotgun">shotguns</a>, <a href="Grenade_launcher" title="Grenade launcher">grenade launchers</a>, and <a href="Revolver_cannon" title="Revolver cannon">autocannons</a>. Revolver weapons differ from <a href="Gatling_gun" title="Gatling gun">Gatling-style</a> rotary weapons in that in a revolver only the chambers rotate, while in a rotary weapon there are multiple full firearm actions with their own barrels which rotate around a common ammunition feed.
</p><p>Famous revolver models include the <a href="Colt_1851_Navy_Revolver" title="Colt 1851 Navy Revolver">Colt 1851 Navy Revolver</a>, the <a href="Webley_Revolver" title="Webley Revolver">Webley</a>, the <a href="Colt_Single_Action_Army" title="Colt Single Action Army">Colt Single Action Army</a>, the <a href="Colt_Official_Police" title="Colt Official Police">Colt Official Police</a>, <a href="Smith_%26_Wesson_Model_10" title="Smith &amp; Wesson Model 10">Smith &amp; Wesson Model 10</a>, the <a href="Smith_%26_Wesson_Model_29" title="Smith &amp; Wesson Model 29">Smith &amp; Wesson Model 29</a> of <i><a href="Dirty_Harry" title="Dirty Harry">Dirty Harry</a></i> fame, the <a href="Nagant_M1895" title="Nagant M1895">Nagant M1895</a>, and the <a href="Colt_Python" title="Colt Python">Colt Python</a>.
</p><p>Although largely surpassed in convenience and ammunition capacity by <a href="Semi-automatic_pistol" title="Semi-automatic pistol">semi-automatic pistols</a>, revolvers still remain popular as back-up and off-duty handguns among <a href="Law_enforcement_in_the_United_States" title="Law enforcement in the United States">American law enforcement</a> officers and <a href="Security_guards" class="mw-redirect" title="Security guards">security guards</a> and are still common in the American private sector as defensive, sporting, and hunting firearms.
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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>
<p>In the <a href="History_of_firearms" class="mw-redirect" title="History of firearms">development of firearms</a>, an important limiting factor was the time required to reload the weapon after it was fired. While the user was reloading, the weapon was useless, allowing an adversary to attack the user. Several approaches to the problem of increasing the rate of fire were developed, the earliest involving multi-barrelled weapons which allowed two or more shots without reloading.<sup id="cite_ref-Morgan2014_4-0" class="reference"><a href="#cite_note-Morgan2014-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Later weapons featured multiple barrels revolving along a single axis.
</p><p>A <a href="Matchlock" title="Matchlock">matchlock</a> revolver with a single barrel and four chambers held at the <a href="Tower_of_London" title="Tower of London">Tower of London</a> was originally believed to have been invented some time in the 15th century,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> but has now been identified as an Indian matchlock of the 1800s.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> A revolving three-barrelled matchlock pistol in Venice is dated from at least 1548.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> During the late 16th century in China, Zhao Shi-zhen invented the <a href="Xun_Lei_Chong" title="Xun Lei Chong">Xun Lei Chong</a>, a five-barreled musket revolver spear. Around the same time, the earliest examples of the modern revolver were made in Germany. These <a href="Petronel" title="Petronel">petronel</a> weapons featured a single barrel with a revolving cylinder holding the powder and ball, with each cylinder having its own separate flash-pan and pan-cover.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> They would soon be made by many European gun-makers, in numerous designs and configurations.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Of particular note is the gun attributed to John Dafte from c.1680, which is the earliest surviving specimen of automatic cylinder rotation.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> This gun combined in 'one package the three essential ingredients of a successful revolver: mechanical cylinder rotation, individual priming for each chamber, and a cylinder stop for barrel/cylinder alignment, all activated by cocking the firearm.'.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Commonalities in design suggest the weapon inspired a later, more compact imitation by the gunmaker Thomas Annely.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Ferguson2025_14-0" class="reference"><a href="#cite_note-Ferguson2025-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup>
</p><p>In 1821, the US Navy trialled a revolver belonging to Captain Artemus Wheeler; in 1819 and 1824, two committees of British artillery officers examined a similar revolver from <a href="Elisha_Collier" title="Elisha Collier">Elisha Collier</a>.<sup id="cite_ref-TaylersonAndrews1968_15-0" class="reference"><a href="#cite_note-TaylersonAndrews1968-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> <a href="FitzRoy_Somerset%2C_1st_Baron_Raglan" title="FitzRoy Somerset, 1st Baron Raglan">FitzRoy Somerset</a>, as secretary to the <a href="Master-General_of_the_Ordnance" title="Master-General of the Ordnance">Master-General of the Ordnance</a> the <a href="Arthur_Wellesley%2C_1st_Duke_of_Wellington" title="Arthur Wellesley, 1st Duke of Wellington">Duke of Wellington</a>, reported that the gun had fired 'one hundred rounds in twenty-nine minutes at a target distant one-hundred yard, putting seventy-one balls through the target and lodging one in it... [with another] five rounds at two hundred yards... there was not a missfire in the 105 rounds.'<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> The weapon was not adopted, however, for the same reason that previous similar guns had not been widely distributed: they were complicated, difficult to use and prohibitively expensive to make. A rare exception was the early 19th century popularity of <a href="Multiple-barrel_firearm" title="Multiple-barrel firearm">multiple-barrel</a> handguns called "<a href="Pepper-box" title="Pepper-box">pepper-boxes</a>". Originally they were <a href="Muzzleloader" title="Muzzleloader">muzzleloaders</a>, but in 1837, the <a href="Belgium" title="Belgium">Belgian</a> gunsmith Mariette invented a hammerless pepperbox with a ring trigger and turn-off barrels that could be unscrewed.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup>
</p><p>In 1836, American <a href="Samuel_Colt" title="Samuel Colt">Samuel Colt</a> patented a popular revolver which led to the widespread use of the revolver.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Colt used a <a href="Ratchet_and_pawl" class="mw-redirect" title="Ratchet and pawl">ratchet and pawl</a> mechanism to rotate the cylinder by cocking the hammer, which provided a reliable and repeatable way to index each round and did away with the need to manually rotate the cylinder. According to Colt, he came up with the idea for the revolver while at sea, inspired by the <a href="Capstan_(nautical)" title="Capstan (nautical)">capstan</a> and its similar ratchet and pawl mechanism,<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> although similar examples of such revolvers did exist in museum collections<sup id="cite_ref-Ferguson2025_14-1" class="reference"><a href="#cite_note-Ferguson2025-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> and the existence of an earlier example could have precluded Colt registering a patent on the mechanism.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Nevertheless, the new mechanism, coupled with Colt's ability as a <a href="Sales" title="Sales">salesman</a> - one historian describing him as 'a pioneer Madison Avenue-style pitchman'<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> - and his approach to manufacturing ensured his influence spread. The build quality of <a href="Colt's_Manufacturing_Company" title="Colt's Manufacturing Company">his company</a>'s guns became famous, and its <a href="Armory_(military)" class="mw-redirect" title="Armory (military)">armories</a> in America and England trained several seminal generations of <a href="Tool_and_die_maker" title="Tool and die maker">toolmakers</a> and other <a href="Machinist" title="Machinist">machinists</a>, who had great influence in other manufacturing efforts of the next half century.<sup id="cite_ref-TuckerWhite2011_22-0" class="reference"><a href="#cite_note-TuckerWhite2011-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup>
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<div class="gallerytext">Detail of an 8-chambered <a href="Matchlock" title="Matchlock">matchlock</a> revolver (Germany, <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 1580</span>)</div>
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<p>Early revolvers were <a href="Caplock" class="mw-redirect" title="Caplock">caplock</a> muzzleloaders: the user had to pour <a href="Gunpowder" title="Gunpowder">black powder</a> into each chamber, ram down a bullet on top of it, then place a <a href="Percussion_cap" title="Percussion cap">percussion cap</a> on the nipple at the rear of each chamber, where the <a href="Hammer_(firearms)" title="Hammer (firearms)">hammer</a> would fall on it and ignite the powder charge. This was similar to loading a traditional single-shot muzzle-loading pistol, except that the powder and shot could be loaded directly into the front of the cylinder rather than having to be loaded down the whole length of the barrel. Importantly, this allowed the barrel itself to be <a href="Rifling" title="Rifling">rifled</a>, since the user was not required to force the tight-fitting bullet down the barrel in order to load it (a traditional muzzle-loading pistol had a <a href="Smoothbore" title="Smoothbore">smoothbore</a> barrel and the shot was relatively loose-fitting, which allowed easy loading, but was much less accurate). After firing a shot, the user would raise their pistol vertically while cocking the hammer back for their next shot, so the fragments of the burst percussion cap would fall clear of the weapon and not jam the mechanism. Some of the most popular cap-and-ball revolvers were the <a href="Colt_1851_Navy_Revolver" title="Colt 1851 Navy Revolver">Colt Model 1851 "Navy"</a> model, <a href="Colt_Army_Model_1860" title="Colt Army Model 1860">1860 "Army" model</a>, and <a href="Colt_Pocket_Percussion_Revolvers" title="Colt Pocket Percussion Revolvers">Colt Pocket Percussion Revolvers</a>, all of which saw extensive use in the <a href="American_Civil_War" title="American Civil War">American Civil War</a>. Although American revolvers were the most common, European arms makers were making numerous revolvers by that time as well, many of which found their way into the hands of the American forces. These included the single-action Lefaucheux and <a href="LeMat_revolver" class="mw-redirect" title="LeMat revolver">LeMat revolvers</a>, as well as the <a href="Beaumont%E2%80%93Adams_revolver" title="Beaumont–Adams revolver">Beaumont–Adams</a> and <a href="Tranter_(revolver)" title="Tranter (revolver)">Tranter</a> revolvers—early <a href="Double_Action" class="mw-redirect" title="Double Action">double-action</a> weapons in spite of being muzzle-loaders.<sup id="cite_ref-Fadala2003_23-0" class="reference"><a href="#cite_note-Fadala2003-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup>
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<p>In 1854, Eugene Lefaucheux introduced the <a href="Lefaucheux_1854" class="mw-redirect" title="Lefaucheux 1854">Lefaucheux Model 1854</a>, the first revolver to use self-contained <a href="Metallic_cartridge" class="mw-redirect" title="Metallic cartridge">metallic cartridges</a> rather than loose powder, <a href="Bullet" title="Bullet">pistol ball</a>, and percussion caps. It is a <a href="Single-action" class="mw-redirect" title="Single-action">single-action</a>, <a href="Pinfire" class="mw-redirect" title="Pinfire">pinfire</a> revolver holding six rounds.<sup id="cite_ref-HouzeCooper2006_24-0" class="reference"><a href="#cite_note-HouzeCooper2006-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup>
</p><p>On November 17, 1856, <a href="Horace_Smith_(inventor)" title="Horace Smith (inventor)">Horace Smith</a> and <a href="Daniel_B._Wesson" title="Daniel B. Wesson">Daniel B. Wesson</a> signed an agreement for the exclusive use of the <a href="Rollin_White" title="Rollin White">Rollin White</a> Patent at a rate of 25 cents for every revolver. <a href="Smith_%26_Wesson" title="Smith &amp; Wesson">Smith &amp; Wesson</a> began production late in 1857, and enjoyed years of exclusive production of rear-loading cartridge revolvers in America due to their association with Rollin White, who held the patent<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> and vigorously defended it against any perceived infringement by other manufacturers (much as Colt had done with his original patent on the revolver). Although White held the patent, other manufacturers were able to sell firearms using the design, provided they were willing to pay royalties.<sup id="cite_ref-Flayderman2001_26-0" class="reference"><a href="#cite_note-Flayderman2001-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup>
</p><p>After White's patent expired in April 1869, a third extension was refused. Other gun-makers were then allowed to produce their own weapons using the rear-loading method, without having to pay a royalty on each gun sold. Early guns were often conversions of earlier cap-and-ball revolvers, modified to accept metallic cartridges loaded from the rear, but later models, such as the <a href="Colt_Model_1871-72_Open_Top" class="mw-redirect" title="Colt Model 1871-72 Open Top">Colt Model 1872 "open top"</a> and the <a href="Smith_%26_Wesson_Model_3" title="Smith &amp; Wesson Model 3">Smith &amp; Wesson Model 3</a>, were designed from the start as cartridge revolvers.<sup id="cite_ref-Flayderman2001_26-1" class="reference"><a href="#cite_note-Flayderman2001-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>
</p>

<p>In 1873, Colt introduced the famous Model 1873, also known as the <a href="Colt_Single_Action_Army" title="Colt Single Action Army">Single Action Army</a>, the "Colt .45" (not to be confused with Colt-made models of the <a href="M1911_pistol" title="M1911 pistol">M1911</a> <a href="Semi-automatic_pistol" title="Semi-automatic pistol">semi-automatic</a>), and "the Peacemaker", one of the most famous handguns ever made.<sup id="cite_ref-Standard_Catalog_of_Colt_Firearms_28-0" class="reference"><a href="#cite_note-Standard_Catalog_of_Colt_Firearms-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> This popular design, which was a culmination of many of the advances introduced in earlier weapons, fired 6 metallic cartridges and was offered in over 30 different calibers and various barrel lengths. It is still in production, along with numerous <a href="Replica" title="Replica">clones</a> and lookalikes, and its overall appearance has remained the same since 1873. Although originally made for the <a href="United_States_Army" title="United States Army">United States Army</a>, the Model 1873 was widely distributed and popular with civilians, <a href="Ranch" title="Ranch">ranchers</a>, <a href="Law_enforcement_officer" title="Law enforcement officer">lawmen</a>, and <a href="Outlaw" title="Outlaw">outlaws</a> alike. Its design has influenced countless other revolvers. Colt has discontinued its production twice, but resumed production due to popular demand.
</p><p>In the U.S., the single-action revolver remained more popular than the double-action revolver until the late 19th century. In Europe, however, arms makers were quick to adopt the double-action trigger. While the U.S. was producing weapons like the Model 1873, European manufacturers were building double-action models like the French <a href="MAS_1873_revolver" title="MAS 1873 revolver">MAS Modèle 1873</a> and the later British <a href="Enfield_revolver" title="Enfield revolver">Enfield Mk I and II revolvers</a>. (Britain relied on cartridge conversions of the earlier Beaumont–Adams double-action prior to this.) Colt's first attempt at a double action revolver to compete with European manufacturers was the Colt Model 1877, which earned lasting notoriety for its complex, expensive, and fragile trigger mechanism, which in addition to failing frequently, also had a heavy trigger pull.
</p>

<p>In 1889, Colt introduced the <a href="Colt_M1889" title="Colt M1889">Model 1889</a>, the first double action revolver with a "swing-out" cylinder, as opposed to a "top-break" or "side-loading" cylinder. Swing-out cylinders quickly caught on, because they combined the best features of earlier designs. Top-break actions had the ability to eject all empty shells simultaneously and exposed all chambers for easy reloading, but having the frame hinged into two halves weakened the gun and negatively affected accuracy due to the lack of rigidity. "Side-loaders", like the earlier Colt Model 1871 and 1873, had a rigid frame, but required the user to eject and load one chamber at a time as they rotated the cylinder to line each chamber up with the side-mounted loading gate.<sup id="cite_ref-kinard_29-0" class="reference"><a href="#cite_note-kinard-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> Smith &amp; Wesson followed seven years later with the Hand Ejector, Model 1896 in <a href=".32_S%26W_Long" title=".32 S&amp;W Long">.32 S&amp;W Long</a> caliber, followed by the very similar, yet improved, <a href="Smith_%26_Wesson_Model_10" title="Smith &amp; Wesson Model 10">Model 1899</a> (later known as the Model 10), which introduced the new <a href=".38_Special" title=".38 Special">.38 Special</a> cartridge. The Model 10 went on to become the best selling handgun of the 20th century, at 6,000,000 units, and the .38 Special is still the most popular chambering for revolvers in the world. These new guns were an improvement over the Colt 1889 design since they incorporated a combined center-pin and ejector rod to lock the cylinder in position, whereas the Colt 1889 did not use a center pin and the cylinder was prone to move out of alignment.<sup id="cite_ref-kinard_29-1" class="reference"><a href="#cite_note-kinard-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup>
</p><p>Revolvers have remained popular in many areas, although for law enforcement and military personnel, they have largely been supplanted by magazine-fed <a href="Semi-automatic_pistol" title="Semi-automatic pistol">semi-automatic pistols</a>, such as the <a href="Beretta_M9" title="Beretta M9">Beretta M9</a> and the <a href="SIG_Sauer_M17" title="SIG Sauer M17">SIG Sauer M17</a>, especially in circumstances where faster reload times and higher cartridge capacity are important.<sup id="cite_ref-Cutshaw2011_30-0" class="reference"><a href="#cite_note-Cutshaw2011-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Patents">Patents</h3></div>
<p>In 1815, (sometimes incorrectly dated as 1825) a French inventor called Julien Leroy patented a flintlock and percussion revolving rifle with a mechanically indexed cylinder and a priming magazine.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup>
</p><p><a href="Elisha_Collier" title="Elisha Collier">Elisha Collier</a> of Boston, Massachusetts, patented a flintlock revolver in Britain in 1818, and significant numbers were being produced in London by 1822.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> The origination of this invention is in doubt, as similar designs were patented in the same year by Artemus Wheeler in the United States, and by <a href="Cornelius_Coolidge" title="Cornelius Coolidge">Cornelius Coolidge</a> in France.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Samuel Colt submitted a British patent for his revolver in 1835 and a U.S. patent (number 138) on February 25, 1836, for a <i>Revolving gun</i>, and made the first production model on March 5 of that year.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup>
</p><p>Another revolver patent was issued to Samuel Colt on August 29, 1839. The February 25, 1836, patent was then reissued as <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/USRE00124">U.S. patent RE00124</a></span> entitled <i>Revolving gun</i> on October 24, 1848. This was followed by <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US7613">U.S. patent 0,007,613</a></span> on September 3, 1850, for a <i>Revolver</i>, and by <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US7629">U.S. patent 0,007,629</a></span> on September 10, 1850, for a <i>Revolver</i>. In 1855, Rollin White patented the bored-through cylinder entitled <i>Improvement in revolving fire-arms</i> <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US93653">U.S. patent 00,093,653</a></span>. In 1856, Horace Smith &amp; Daniel Wesson formed a partnership (S&amp;W), then developed and manufactured a revolver chambered for a self-contained metallic cartridge.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> In 1993, <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US5333531">U.S. patent 5,333,531</a></span> was issued to <a href="Roger_C._Field" title="Roger C. Field">Roger C. Field</a> for an economical device for minimizing the flash gap of a revolver between the barrel and the cylinder.
</p>
<div class="mw-heading mw-heading2"><h2 id="Design">Design</h2></div>

<p>A revolver has several firing chambers arranged in a circle in a cylindrical block; one at a time, these chambers are brought into alignment with the firing mechanism and barrel. In contrast, other repeating firearms, such as <a href="Bolt-action" class="mw-redirect" title="Bolt-action">bolt-action</a>, <a href="Lever-action" class="mw-redirect" title="Lever-action">lever-action</a>, <a href="Pump-action" class="mw-redirect" title="Pump-action">pump-action</a>, and <a href="Semi-automatic_firearm" title="Semi-automatic firearm">semi-automatic</a>, have a single firing chamber and a mechanism to load and extract cartridges into it.<sup id="cite_ref-forensic_40-0" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p><p>A single-action revolver requires the hammer to be pulled back by hand before each shot, which also revolves the cylinder. This leaves the trigger with one "single action" to perform—releasing the hammer to fire the shot. In contrast, with a self-cocking, or double-action, revolver, one long squeeze of the trigger pulls back the hammer and revolves the cylinder, then finally fires the shot, thus requiring more force and distance to pull the trigger than in a single-action revolver. They can generally be fired faster than a single-action, but with reduced accuracy in the hands of most shooters.<sup id="cite_ref-forensic_40-1" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p><p>Most modern revolvers are "traditional double-action", which means they may operate either in single-action or self-cocking mode. The accepted meaning of "double-action" has come to be the same as "self-cocking", so modern revolvers that cannot be pre-cocked are called "double-action-only".<sup id="cite_ref-forensic_40-2" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> These are intended for concealed carry, because the hammer of a traditional design is prone to snagging on clothes when drawn. Most revolvers do not come with <a href="Picatinny_rail" title="Picatinny rail">accessory rails</a>, which are used for mounting <a href="Tactical_light" title="Tactical light">lights</a> and <a href="Laser_aiming_module" class="mw-redirect" title="Laser aiming module">lasers</a>, except for the <a href="Smith_%26_Wesson_Model_327" class="mw-redirect" title="Smith &amp; Wesson Model 327">Smith &amp; Wesson M&amp;P R8</a> (<a href=".357_Magnum" title=".357 Magnum">.357 Magnum</a>),<sup id="cite_ref-Eckstine2013_41-0" class="reference"><a href="#cite_note-Eckstine2013-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> Smith &amp; Wesson Model 325 Thunder Ranch (<a href=".45_ACP" title=".45 ACP">.45 ACP</a>),<sup id="cite_ref-SupicaNahas2007_42-0" class="reference"><a href="#cite_note-SupicaNahas2007-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> and all versions of the <a href="Chiappa_Rhino" title="Chiappa Rhino">Chiappa Rhino</a> (.357 Magnum, <a href="9%C3%9719mm" class="mw-redirect" title="9×19mm">9×19mm</a>, <a href=".40_S%26W" title=".40 S&amp;W">.40 S&amp;W</a>, or <a href="9%C3%9721mm" title="9×21mm">9×21mm</a>) except for the 2" and 3" models, respectively.<sup id="cite_ref-Shideler2010_43-0" class="reference"><a href="#cite_note-Shideler2010-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> However, certain revolvers, such as the <a href="Taurus_Judge" title="Taurus Judge">Taurus Judge</a> and <a href="Charter_Arms" title="Charter Arms">Charter Arms</a> revolvers, can be fitted with accessory rails.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup>
</p>

<p>Revolvers most commonly have 6 chambers, hence the common names of "six-gun" or "six-shooter".<sup id="cite_ref-RKCampbell2009_45-0" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> However, some revolvers have more or fewer than 6, depending on the size of the gun and <a href="Caliber" title="Caliber">caliber</a> of the bullet. Each chamber has to be reloaded manually, which makes reloading a revolver a much slower procedure than reloading a semi-automatic pistol.<sup id="cite_ref-RKCampbell2009_45-1" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup>
</p><p>Compared to autoloading handguns, a revolver is often much simpler to operate and may have greater reliability.<sup id="cite_ref-RKCampbell2009_45-2" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> For example, should a semiautomatic pistol fail to fire, clearing the chamber requires manually cycling the action to remove the errant round, as cycling the action normally depends on the energy of a cartridge firing.<sup id="cite_ref-RKCampbell2009_45-3" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> With a revolver, this is not necessary as none of the energy for cycling the revolver comes from the firing of the cartridge, but is instead supplied by the user either through cocking the hammer or, in a double-action design, by just squeezing the trigger.<sup id="cite_ref-RKCampbell2009_45-4" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> Another significant advantage of revolvers is superior ergonomics, particularly for users with small hands.<sup id="cite_ref-RKCampbell2009_45-5" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> A revolver's grip does not hold a magazine, and it can be designed or customized much more than the grip of a typical semi-automatic.<sup id="cite_ref-RKCampbell2009_45-6" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> Partially because of these reasons, revolvers still hold significant market share as concealed carry and home-defense weapons.<sup id="cite_ref-RKCampbell2009_45-7" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup>
</p><p>A revolver can be kept loaded and ready to fire without fatiguing any springs and is not very dependent on lubrication for proper firing.<sup id="cite_ref-RKCampbell2009_45-8" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> Additionally, in the case of double-action-only revolvers there is no risk of accidental discharge from dropping alone, as the hammer is cocked by the trigger pull.<sup id="cite_ref-RKCampbell2009_45-9" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> However, the revolver's clockwork-like internal parts are relatively delicate and can become misaligned after a severe impact, and its revolving cylinder can become jammed by excessive dirt or debris.<sup id="cite_ref-RKCampbell2009_45-10" class="reference"><a href="#cite_note-RKCampbell2009-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup>
</p><p>Over the long period of development of the revolver, many calibers have been used.<sup id="cite_ref-Keith1955_46-0" class="reference"><a href="#cite_note-Keith1955-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> Some of these have proved more durable during periods of standardization and some have entered general public awareness. Among these are the <a href=".22_rimfire" class="mw-redirect" title=".22 rimfire">.22 Long Rifle</a>, a caliber popular for target shooting and teaching novice shooters; .38 Special and .357 Magnum, known for police use; the <a href=".44_Magnum" title=".44 Magnum">.44 Magnum</a>, famous from <a href="Clint_Eastwood" title="Clint Eastwood">Clint Eastwood</a>'s <i><a href="Dirty_Harry" title="Dirty Harry">Dirty Harry</a></i> films; and the <a href=".45_Colt" title=".45 Colt">.45 Colt</a>, used in the Colt revolver of the <a href="Wild_West" class="mw-redirect" title="Wild West">Wild West</a>. Introduced in 2003, the <a href="Smith_%26_Wesson_Model_500" title="Smith &amp; Wesson Model 500">Smith &amp; Wesson Model 500</a> is one of the most powerful revolvers, utilizing the <a href=".500_S%26W_Magnum" title=".500 S&amp;W Magnum">.500 S&amp;W Magnum</a> cartridge.<sup id="cite_ref-Shideler20112_47-0" class="reference"><a href="#cite_note-Shideler20112-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup>
</p><p>Because the rounds in a revolver are <a href="Headspace_(firearms)" title="Headspace (firearms)">headspaced</a> on the rim, some revolvers are capable of chambering more than one type of ammunition. Revolvers chambered in <a href=".44_Magnum" title=".44 Magnum">.44 Magnum</a> will also chamber <a href=".44_Special" title=".44 Special">.44 Special</a> and <a href=".44_Russian" title=".44 Russian">.44 Russian</a>, likewise revolvers in <a href=".357_Magnum" title=".357 Magnum">.357 Magnum</a> will safely chamber <a href=".38_Special" title=".38 Special">.38 Special</a>, <a href=".38_Long_Colt" title=".38 Long Colt">.38 Long Colt</a>, and <a href=".38_Short_Colt" title=".38 Short Colt">.38 Short Colt</a>; while revolvers in <a href=".22_Winchester_Magnum_Rimfire" title=".22 Winchester Magnum Rimfire">.22 WMR</a> can chamber <a href=".22_Long_Rifle" class="mw-redirect" title=".22 Long Rifle">.22 Long Rifle</a>, <a href=".22_Long" class="mw-redirect" title=".22 Long">.22 Long</a>, and <a href=".22_Short" class="mw-redirect" title=".22 Short">.22 Short</a>, it is not safe to do so, due to differences in cartridge pressures and the fact that .22 WMR does not shoot a "heeled" bullet, along with differences in rim diameter that can allow high pressure gases to escape behind the cartridge and seriously injure the user. However, some .22 revolvers come with interchangeable cylinders so that .22 Long Rifle can be shot from a .22 WMR revolver. In 1996, the <a href="Medusa_Model_47" title="Medusa Model 47">Medusa Model 47</a> was made with the ability to chamber 25 different cartridges with bullet diameters between .355" and .357".<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup>
</p>

<p>Revolver technology is also present in other weapons used by the U.S. military. Some <a href="Revolver_cannon" title="Revolver cannon">autocannons</a> and <a href="Grenade_launcher" title="Grenade launcher">grenade launchers</a> use mechanisms similar to revolvers, and some <a href="Riot_shotgun" title="Riot shotgun">riot shotguns</a> use spring-loaded cylinders holding up to 12 rounds.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> In addition to serving as backup guns, revolvers still fill the specialized role as a shield gun; law enforcement personnel using a "bulletproof" <a href="Ballistic_shield" title="Ballistic shield">gun shield</a> sometimes opt for a revolver instead of a self-loading pistol, because the slide of a pistol may strike the front of the shield when fired. Revolvers do not suffer from this disadvantage. A second revolver may be secured behind the shield to provide a quick means of continuity of fire. Many police also still use revolvers as their duty weapon due to their relative mechanical simplicity and ease of use.<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup>
</p><p>In 2010, major revolver manufacturers started producing polymer frame revolvers like the <a href="Ruger_LCR" title="Ruger LCR">Ruger LCR</a>, Smith &amp; Wesson Bodyguard 38, and <a href="Taurus_(manufacturer)" class="mw-redirect" title="Taurus (manufacturer)">Taurus</a> Protector Polymer. The new design incorporates polymer technology that lowers weight significantly, helps absorb recoil, and is strong enough to handle .38 Special +P and .357 Magnum loads. The polymer is only used on the lower frame and is joined to an upper frame, barrel, and cylinder that are made of metal alloy. Polymer technology is considered one of the major advancements in revolver history because the frame was previously always metal alloy and mostly a one-piece design.<sup id="cite_ref-Ahern2010_51-0" class="reference"><a href="#cite_note-Ahern2010-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup>
</p><p>Another 21st century development in revolver technology is the <a href="Chiappa_Rhino" title="Chiappa Rhino">Chiappa Rhino</a>, a revolver introduced by Italian manufacturer <a href="Chiappa_Firearms" title="Chiappa Firearms">Chiappa</a> in 2009, and first sold in the U.S. in 2010. The Rhino, built with the U.S. concealed carry market in mind, is designed so that the bullet fires from the bottom chamber of the cylinder instead of the top chamber, as is typical in revolvers. This is intended to reduce <a href="Muzzle_flip" class="mw-redirect" title="Muzzle flip">muzzle flip</a>, allowing for faster and more accurate repeat shots. In addition, the cylinder cross-section is hexagonal instead of circular, further reducing the weapon's profile.<sup id="cite_ref-Shideler2010_43-1" class="reference"><a href="#cite_note-Shideler2010-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Loading_and_unloading">Loading and unloading</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Front-loading_cylinder">Front-loading cylinder</h3></div>
<p>The first revolvers were <i>front loading</i> (also referred to as <a href="Muzzleloader" title="Muzzleloader">muzzleloading</a>), and were similar to <a href="Musket" title="Musket">muskets</a> in that the powder and bullet were loaded separately. These were caplocks or "cap and ball" revolvers, because the caplock method of priming was the first to be compact enough to make a practical revolver feasible. When loading, each chamber in the cylinder was rotated out of line with the barrel, and charged from the front with loose powder and an oversized bullet. Next, the chamber was aligned using the ramming lever underneath the barrel. Pulling the lever would drive a <a href="Rammer" class="mw-redirect" title="Rammer">rammer</a> into the chamber, pushing the ball securely in place. Finally, the user would place percussion caps on the nipples on the rear face of the cylinder.<sup id="cite_ref-Fadala2003_23-1" class="reference"><a href="#cite_note-Fadala2003-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup>
</p><p>After each shot, a user was advised to raise the revolver vertically while cocking back the hammer so as to allow the fragments of the spent percussion cap to fall out safely. Otherwise, the fragments could fall into the revolver's mechanism and jam it. Caplock revolvers were vulnerable to "chain fires", wherein hot gas from a shot ignited the powder in the other chambers. This could be prevented by sealing the chambers with cotton, wax, or grease. Chain fire led to the shots hitting the shooters hand, which is one of the main reasons why revolver rifles were uncommon. By the time metallic cartridges became common, more effective mechanisms for a repeating rifle, such as <a href="Lever-action" class="mw-redirect" title="Lever-action">lever-action</a>, had been developed.<sup id="cite_ref-Chicoine2005_52-0" class="reference"><a href="#cite_note-Chicoine2005-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup>
</p><p>Loading a cylinder in this manner was a slow and awkward process and generally could not be done in the midst of battle.<sup id="cite_ref-Chun2013_53-0" class="reference"><a href="#cite_note-Chun2013-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> Some soldiers avoided this by carrying multiple revolvers in the field. Another solution was to use a revolver with a detachable cylinder design. These revolvers allowed the shooter to quickly remove a cylinder and replace it with a full one.<sup id="cite_ref-forensic_40-3" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mod-gallery mod-gallery-default"><div class="main"><div><ul class="nochecker bordered-images whitebg gallery mw-gallery-traditional">
<li class="gallerybox" style="width: 215px">
<div class="thumb" style="width: 210px; height: 210px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Colt 1851 Navy with <a href="Powder_flask" title="Powder flask">powder flask</a></div>
</li>
<li class="gallerybox" style="width: 215px">
<div class="thumb" style="width: 210px; height: 210px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Front reloading a cap and ball pistol</div>
</li>
<li class="gallerybox" style="width: 215px">
<div class="thumb" style="width: 210px; height: 210px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Remington_Model_1858" title="Remington Model 1858">Remington Model 1858</a></div>
</li>
</ul></div></div></div>
<div class="mw-heading mw-heading3"><h3 id="Fixed_cylinder_designs">Fixed cylinder designs</h3></div>

<p>In many of the first generation of cartridge revolvers (especially those that were converted after manufacture), the base pin on which the cylinder revolved was removed, and the cylinder taken out from the revolver for loading. Most revolvers using this method of loading are single-action revolvers, although Iver Johnson produced double-action models with removable cylinders. The removable-cylinder design is employed in some modern "micro-revolvers" (usually chambered in .22 rimfire and small enough to fit in the palm of the hand) to simplify their design.<sup id="cite_ref-Ahern2010_51-1" class="reference"><a href="#cite_note-Ahern2010-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup>
</p><p>Later single-action revolver models with a fixed cylinder used a loading gate at the rear of the cylinder that allowed insertion of one cartridge at a time for loading, while a rod under the barrel could be pressed rearward to eject a fired case.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup>
</p><p>The loading gate on the original Colt designs (and on nearly all single-action revolvers since, such as the famous Colt Single Action Army) is on the right side, which was done to facilitate loading while on horseback; with the revolver held in the left hand with the reins of the horse, the cartridges can be ejected and loaded with the right hand.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup>
</p><p>Because the cylinders in these types of revolvers are firmly attached at the front and rear of the frame, and the frame is typically full thickness all the way around, fixed cylinder revolvers are inherently strong designs. Accordingly, many modern large caliber hunting revolvers tend to be based on the fixed cylinder design. Fixed cylinder revolvers can fire the strongest and most powerful cartridges, but at the price of being the slowest to load or unload since they cannot use <a href="Speedloader" title="Speedloader">speedloaders</a> or <a href="Moon_clip" title="Moon clip">moon clips</a> to load multiple cartridges at once, as only one chamber is exposed at a time to the loading gate.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Top-break_cylinder">Top-break cylinder</h3></div>

<p>In a <a href="Top-break" class="mw-redirect" title="Top-break">top-break</a> revolver, the frame is hinged at the bottom front of the cylinder. Releasing the lock and pushing the barrel down exposes the rear face of the cylinder. In most top-break revolvers, this act also operates an <a href="Extractor_(firearms)" title="Extractor (firearms)">extractor</a> that pushes the cartridges in the chambers back far enough that they will fall free, or can be removed easily. Fresh rounds are then inserted into the cylinder. The barrel and cylinder are then rotated back and locked in place, and the revolver is ready to fire.<sup id="cite_ref-forensic_40-4" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p><p>Top-break revolvers are able to be loaded more rapidly than fixed frame revolvers, especially with the aid of a speedloader or moon clip. However, this design is much weaker and cannot handle high pressure rounds. While this design has become mostly obsolete, supplanted by the stronger yet equally convenient swing-out cylinder design, manufacturers still make reproductions of late 19th century designs for use in <a href="Cowboy_action_shooting" title="Cowboy action shooting">cowboy action shooting</a>.<sup id="cite_ref-forensic_40-5" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p><p>The first top-break revolver was patented in France and Britain at the end of December in 1858 by Devisme.<sup id="cite_ref-auto_57-0" class="reference"><a href="#cite_note-auto-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> The most commonly found top-break revolvers were manufactured by Smith &amp; Wesson, Webley &amp; Scott, Iver Johnson, Harrington &amp; Richardson, Manhattan Fire Arms, <a href="Meriden_Arms" class="mw-redirect" title="Meriden Arms">Meriden Arms</a>, and <a href="Forehand_%26_Wadsworth" title="Forehand &amp; Wadsworth">Forehand &amp; Wadsworth</a>.<sup id="cite_ref-Taffin2005_58-0" class="reference"><a href="#cite_note-Taffin2005-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Tip-up_cylinder">Tip-up cylinder</h3></div>

<p>The tip-up revolver was the first design to be used with metallic cartridges in the <a href="Smith_%26_Wesson_Model_1" title="Smith &amp; Wesson Model 1">Smith &amp; Wesson Model 1</a>, on which the barrel pivoted upwards, hinged on the forward end of the topstrap. On the S&amp;W tip-up revolvers, the barrel release catch is located on both sides of the frame in front of the trigger. Smith &amp; Wesson discontinued it in the third series of the <a href="Smith_%26_Wesson_Model_1_1/2" title="Smith &amp; Wesson Model 1 1/2">Smith &amp; Wesson Model 1 1/2</a> but it was fairly widely used in Europe in the 19th century after a patent by Spirlet in 1870, which also included an ejector star.<sup id="cite_ref-Hogg1978_59-0" class="reference"><a href="#cite_note-Hogg1978-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Swing-out_cylinder">Swing-out cylinder</h3></div>

<p>The most modern method of loading and unloading a revolver is by means of the <i>swing-out cylinder</i>.<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> The first swing-out cylinder revolver was patented in France and Britain at the end of December in 1858 by Devisme.<sup id="cite_ref-auto_57-1" class="reference"><a href="#cite_note-auto-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> The cylinder is mounted on a pivot that is parallel to the chambers, and the cylinder swings out and down (to the left in most cases). An extractor is fitted, operated by a rod projecting from the front of the cylinder assembly. When pressed, it will push all fired rounds free simultaneously (as in top-break models, the travel is designed to not completely extract longer, unfired rounds). The cylinder may then be loaded (individually or with the use of a speedloader), closed, and latched in place.<sup id="cite_ref-forensic_40-6" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p><p>The pivoting part that supports the cylinder is called the crane; it is the weak point of swing-out cylinder designs. Using the method often portrayed in movies and television of flipping the cylinder open and closed with a flick of the wrist can actually cause the crane to bend over time, throwing the cylinder out of alignment with the barrel. Lack of alignment between chamber and barrel is dangerous, as it can impede the bullet's transition from chamber to barrel. This causes higher pressures in the chamber, bullet damage, and the potential for an explosion if the bullet becomes stuck.<sup id="cite_ref-Sweeney2009_61-0" class="reference"><a href="#cite_note-Sweeney2009-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup>
</p><p>The shock of firing can exert a great deal of stress on the crane, as in most designs the cylinder is only held closed at one point, the rear of the cylinder. Stronger designs, such as the <a href="Ruger_Super_Redhawk" title="Ruger Super Redhawk">Ruger Super Redhawk</a>, use a lock in the crane as well as the lock at the rear of the cylinder. This latch provides a more secure bond between cylinder and frame, and allows the use of larger, more powerful cartridges. Swing-out cylinders are not as strong as fixed cylinders, and great care must be taken with the cylinder when loading, so as not to damage the crane.<sup id="cite_ref-Sweeney2009_61-1" class="reference"><a href="#cite_note-Sweeney2009-61"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Other_designs">Other designs</h3></div>

<p>One unique design was designed by <a href="Merwin_Hulbert" class="mw-redirect" title="Merwin Hulbert">Merwin Hulbert</a> in which the barrel and cylinder assembly were rotated 90° and pulled forward to eject shells from the cylinder.
</p>
<div class="mw-heading mw-heading2"><h2 id="Action">Action</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Single-action">Single-action</h3></div>

<p>In a single-action revolver, the hammer is manually cocked, usually with the thumb of the firing or supporting hand. This action advances the cylinder to the next round and locks the cylinder in place, with the chamber aligned with the barrel. When the trigger is pulled, it releases the hammer, which fires the round in the chamber. To fire again, the hammer must be manually cocked again. This is called "single-action" because the trigger only performs a single action, of releasing the hammer. Because only a single action is performed and trigger pull is lightened, firing a revolver in this way allows most shooters to achieve greater accuracy. Additionally, the need to cock the hammer manually acts as a safety. With some revolvers, since the hammer rests on the primer or nipple, accidental discharge from impact is more likely if all 6 chambers are loaded. The <a href="Colt_Paterson" title="Colt Paterson">Colt Paterson</a>, <a href="Colt_Walker" title="Colt Walker">Colt Walker</a>, <a href="Colt_Dragoon_Revolver" title="Colt Dragoon Revolver">Colt Dragoon</a>, and <a href="Colt_Single_Action_Army" title="Colt Single Action Army">Colt Single Action Army</a> of the American frontier era are examples of this system.<sup id="cite_ref-forensic_40-7" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Double-action">Double-action</h3></div>

<p>In double-action (DA), the stroke of the trigger pull generates two actions:
</p>
<ol><li>The hammer is pulled back to the cocked position, which also <a href="Indexing_(motion)" title="Indexing (motion)">indexes</a> the cylinder to the next round.</li>
<li>The hammer is released to strike the <a href="Firing_pin" title="Firing pin">firing pin</a>.</li></ol>
<p>Thus, DA means that a cocking action separate from the trigger pull is unnecessary; every trigger pull will result in a complete cycle. This allows uncocked carry, while also allowing draw-and-fire using only the trigger. However, this will require a longer and harder trigger stroke, though this drawback can also be viewed as a safety feature, as the gun is safer against accidental discharges from being dropped.<sup id="cite_ref-forensic_40-8" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> The sole mode of operation was seen as reducing training time for the British Army in WWII where the revolver usage was rapid fire at very close ranges.<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup>
</p><p>Most double-action revolvers may be fired in two ways:<sup id="cite_ref-forensic_40-9" class="reference"><a href="#cite_note-forensic-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup>
</p>
<ol><li>The first way is single-action; that is, exactly the same as a single-action revolver; the hammer is cocked with the thumb, which indexes the cylinder, and when the trigger is pulled, the hammer is released and the round is fired.</li>
<li>The second way is double-action, or from a hammer-down position. In this case, the trigger first cocks the hammer and revolves the cylinder, then trips the hammer at the rear of the trigger stroke, firing the round in the chamber.</li></ol>

<p>Certain revolvers, called <i>double-action-only</i> (DAO) or, more correctly but less commonly, <i>self-cocking</i>, lack the latch that enables the hammer to be locked to the rear, and thus can only be fired in the double-action mode. With no way to lock the hammer back, DAO designs tend to have <i>bobbed</i> or <i>spurless</i> hammers, and may even have the hammer completely covered by the revolver's frame (i.e., shrouded or hooded). These are generally intended for concealed carrying, as a hammer spur could snag when the revolver is drawn from clothing, but this design may result in reduction in accuracy in aimed fire.<sup id="cite_ref-Sween2004_63-0" class="reference"><a href="#cite_note-Sween2004-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup>
</p><p>DA and DAO revolvers were the standard-issue sidearm of many police departments for many decades. Only in the 1980s and 1990s did the semiautomatic pistol gain popularity after the advent of <a href="Safe_action" class="mw-redirect" title="Safe action">safe actions</a>. The reasons for these choices are the modes of carry and use. Double-action is preferred in high-stress situations because it allows a mode of carry in which one only has to draw and pull the trigger—no safety catch release nor separate cocking stroke is required.<sup id="cite_ref-Sween2004_63-1" class="reference"><a href="#cite_note-Sween2004-63"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Other">Other</h3></div>
<p>In the era of cap-and-ball revolvers in the mid 19th century, two revolver models, the English Tranter and the American Savage "Figure Eight", used a method whereby the hammer was cocked by the shooter's middle finger pulling on a second trigger below the main trigger.
</p><p>Iver Johnson made an unusual model from 1940 to 1947 called the <i>Trigger Cocking Double Action</i>. If the hammer was down, pulling the trigger would cock the hammer. If the trigger was pulled with the hammer cocked, it would then fire. This meant that to fire the revolver from a hammer down state, the trigger must be pulled twice.<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup>
</p><p>This is similar to the action of the "sytème Triple action" patented by Eugène Lefaucheux in French patent number 55784 on September 27, 1862 for pinfire revolvers produced in the 1860's in France. The Lefaucheux Triple Action can be used in single action by cocking the hammer with the thumb, or in double action with a long pull on the trigger, or the hammer can be cocked by a pull on the trigger, then allowing one to shoot in single action.
</p>
<div class="mw-heading mw-heading2"><h2 id="3D_printed_revolver">3D printed revolver</h2></div>
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<p>The <a href="Zig_zag_revolver" class="mw-redirect" title="Zig zag revolver">Zig zag revolver</a> is a 3D printed .38 Revolver released to the public in May 2014.<sup id="cite_ref-5gunrefs_65-0" class="reference"><a href="#cite_note-5gunrefs-65"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-techcrunch.com_66-0" class="reference"><a href="#cite_note-techcrunch.com-66"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup> It was created by a Japanese citizen from <a href="Kawasaki%2C_Kanagawa" title="Kawasaki, Kanagawa">Kawasaki</a> named Yoshitomo Imura, using a 3D-printer and plastic filament.<sup id="cite_ref-techcrunch.com_66-1" class="reference"><a href="#cite_note-techcrunch.com-66"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup>
</p>
<div role="note" class="hatnote navigation-not-searchable">See also: <a href="List_of_3D_printed_weapons_and_parts" class="mw-redirect" title="List of 3D printed weapons and parts">List of 3D printed weapons and parts</a></div>
<div class="mw-heading mw-heading2"><h2 id="Use_with_suppressors">Use with suppressors</h2></div>
<p>As a general rule, revolvers cannot be effective with a <a href="Suppressor" class="mw-redirect" title="Suppressor">sound suppressor</a> ("silencer"), as there is usually a small gap between the revolving cylinder and the barrel which a bullet must traverse, or jump, when fired. From this opening, a rather loud report is produced. A suppressor can only suppress noise coming from the muzzle.<sup id="cite_ref-M.D.1998_67-0" class="reference"><a href="#cite_note-M.D.1998-67"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup>
</p><p>A suppressible revolver design does exist in the <a href="Nagant_M1895" title="Nagant M1895">Nagant M1895</a>, a Belgian-designed revolver used by Imperial Russia and later the Soviet Union from 1895 through <a href="World_War_II" title="World War II">World War II</a>. This revolver uses a unique cartridge whose case extends beyond the tip of the bullet, and a cylinder that moves forward to place the end of the cartridge inside the barrel when ready to fire. This bridges the gap between the cylinder and the barrel, and the case expands to seal the gap when fired. While the tiny gap between cylinder and barrel on most revolvers is insignificant to the <a href="Internal_ballistics" title="Internal ballistics">internal ballistics</a>, the seal of the Nagant is especially effective when used with a suppressor, and a number of suppressed Nagant revolvers have been used since its invention.<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup>
</p><p>There is a modern revolver of Russian design, the <a href="OTs-38_Stechkin_silent_revolver" title="OTs-38 Stechkin silent revolver">OTs-38</a>,<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> which uses ammunition that incorporates the silencing mechanism into the cartridge case, making the gap between cylinder and barrel irrelevant as far as the suppression issue is concerned. The OTs-38 does need an unusually close and precise fit between the cylinder and barrel due to the shape of bullet in the special ammunition (Soviet SP-4), which was originally designed for use in a semi-automatic.
</p><p>Additionally, the U.S. military experimented with designing a special version of the <a href="Smith_%26_Wesson_Model_29" title="Smith &amp; Wesson Model 29">Smith &amp; Wesson Model 29</a> for <a href="Tunnel_rat" title="Tunnel rat">tunnel rats</a>, called the <a href="Smith_%26_Wesson_Model_29#Quiet_Special_Purpose_Revolver" title="Smith &amp; Wesson Model 29">Quiet Special Purpose Revolver</a>, or QSPR, that uses special .40 caliber ammunition. It never entered official service.
</p>
<div class="mw-heading mw-heading2"><h2 id="Automatic_revolvers">Automatic revolvers</h2></div>
<div role="note" class="hatnote navigation-not-searchable">Main article: <a href="Automatic_revolver" title="Automatic revolver">Automatic revolver</a></div>
<p>The term "automatic revolver" has two different meanings, the first being used in the late nineteenth and early twentieth centuries when "automatic" referred not to the operational mechanism of firing, but to extraction and ejection of spent casings. An "automatic revolver" in this context is one which extracts empty fired cases "automatically", such as upon breaking open the action, rather than requiring manual extraction of each case individually with a sliding rod or pin (as in the Colt Single Action Army design). This term was widely used in the advertising of the period as a way to distinguish such revolvers from the far more common rod-extraction types.<sup id="cite_ref-Boorman2002_70-0" class="reference"><a href="#cite_note-Boorman2002-70"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup>
</p><p>In the second sense, "automatic revolver" refers to the mechanism of firing rather than extraction. Double-action revolvers use a long trigger pull to cock the hammer, thus negating the need to manually cock the hammer between shots. The disadvantage of this is that the long, heavy pull cocking the hammer makes the double-action revolver much harder to shoot accurately than a single-action revolver (although cocking the hammer of a double-action reduces the length and weight of the trigger pull). A rare class of revolvers, called automatic for its firing design, attempts to overcome this restriction, giving the high speed of a double-action with the trigger effort of a single-action. The <a href="Webley-Fosbery_Automatic_Revolver" class="mw-redirect" title="Webley-Fosbery Automatic Revolver">Webley-Fosbery Automatic Revolver</a> is the most famous commercial example of this. It was recoil-operated, and the cylinder and barrel recoiled backwards to cock the hammer and revolve the cylinder. Cam grooves were milled on the outside of the cylinder to provide a means of advancing to the next chamber—half a turn as the cylinder moved back, and half a turn as it moved forward. .38 caliber versions held eight shots; .455 caliber versions held six. At the time, the few available automatic pistols were larger, less reliable, and more expensive. The automatic revolver was popular when it first came out, but was quickly superseded by the creation of reliable, inexpensive semi-automatic pistols.<sup id="cite_ref-Kinard2004_71-0" class="reference"><a href="#cite_note-Kinard2004-71"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup>
</p><p>In 1997, the <a href="Mateba" title="Mateba">Mateba</a> company developed a type of recoil-operated automatic revolver, commercially named the <a href="Mateba_Autorevolver" title="Mateba Autorevolver">Mateba Autorevolver</a>, which uses the recoil energy to auto-rotate a normal revolver cylinder holding six or seven cartridges, depending on the model. The company has made several versions of its Autorevolver, including longer-barrelled and carbine variations, chambered in .357 Magnum, .44 Magnum and <a href=".454_Casull" title=".454 Casull">.454 Casull</a>.<sup id="cite_ref-Shideler2011_72-0" class="reference"><a href="#cite_note-Shideler2011-72"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup>
</p><p>The <a href="Pancor_Jackhammer_Mark_2_Shotgun" class="mw-redirect" title="Pancor Jackhammer Mark 2 Shotgun">Pancor Jackhammer</a> is a <a href="Combat_shotgun" title="Combat shotgun">combat shotgun</a> based on a similar mechanism to an automatic revolver. It uses a <a href="Blow_forward" title="Blow forward">blow-forward</a> action to move the barrel forward (which unlocks it from the cylinder), rotate the cylinder, and cock the hammer.<sup id="cite_ref-Bishop2006_73-0" class="reference"><a href="#cite_note-Bishop2006-73"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Revolving_long_guns">Revolving long guns</h2></div>

<p>Revolvers are not limited to handguns; as a longer barrelled arm is more useful in military applications than a sidearm, the idea was applied to both rifles and shotguns throughout the history of the revolver mechanism with mixed degrees of success.<sup id="cite_ref-TroianiKochan1998_74-0" class="reference"><a href="#cite_note-TroianiKochan1998-74"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Rifles">Rifles</h3></div>
<p>Revolving rifles were developed in an attempt to increase the rate of fire of rifles by combining them with the revolving firing mechanism that had been developed earlier for revolving pistols. Colt began experimenting with revolving rifles in the early 19th century, making them in a variety of calibers and barrel lengths. <a href="Colt_revolving_rifle" class="mw-redirect" title="Colt revolving rifle">Colt revolving rifles</a> were the first repeating rifles adopted by the U.S. military, issued to soldiers to improve their rate of fire. However, after firing six shots, the shooter had to take an excessive amount of time to reload. Also, on occasion, these Colt rifles discharged all their rounds at once, endangering the shooter. Even so, an early model was used in the <a href="Seminole_Wars" title="Seminole Wars">Seminole Wars</a> in 1838.<sup id="cite_ref-Coggins2012_75-0" class="reference"><a href="#cite_note-Coggins2012-75"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-DizardMuth1999_76-0" class="reference"><a href="#cite_note-DizardMuth1999-76"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> During the Civil War, a LeMat Carbine was made based on the <a href="LeMat_revolver" class="mw-redirect" title="LeMat revolver">LeMat revolver</a>.<sup id="cite_ref-Shideler2011=lmc_77-0" class="reference"><a href="#cite_note-Shideler2011=lmc-77"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup>
</p><p>Taurus and its Australian partner company, <a href="Rossi_(manufacturer)" class="mw-redirect" title="Rossi (manufacturer)">Rossi</a>, manufactures a carbine variant of the Taurus Judge revolver known as the <i>Taurus/Rossi Circuit Judge</i>. It comes in the original combination chambering of .45 Long Colt and <a href=".410_bore" title=".410 bore">.410 bore</a>, as well as the .44 Magnum chambering and dual-cylinder .22LR/<a href=".22_Winchester_Magnum_Rimfire" title=".22 Winchester Magnum Rimfire">.22WMR model</a>. The rifle has small blast shields attached to the cylinder to protect the shooter from hot gases escaping between the cylinder and barrel.<sup id="cite_ref-Muramatsu2013_78-0" class="reference"><a href="#cite_note-Muramatsu2013-78"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="Shotguns">Shotguns</h3></div>
<p>Colt briefly manufactured several revolving <a href="Shotgun" title="Shotgun">shotguns</a> that were met with mixed success. The <a href="Colt_Model_1839_Shotgun" class="mw-redirect" title="Colt Model 1839 Shotgun">Colt Model 1839 Shotgun</a> was manufactured between 1839 and 1841. Later, the Colt Model 1855 Shotgun, based on the <a href="Colt_revolving_rifle" class="mw-redirect" title="Colt revolving rifle">Model 1855 revolving rifle</a>, was manufactured between 1860 and 1863. Because of their low production numbers and age, they are among the rarest of all Colt firearms.<sup id="cite_ref-Sapp2007_79-0" class="reference"><a href="#cite_note-Sapp2007-79"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup>
</p><p>The <a href="Armsel_Striker" title="Armsel Striker">Armsel Striker</a> was a modern take on the revolving shotgun that held 10 rounds of <a href="12-gauge" class="mw-redirect" title="12-gauge">12-gauge</a> ammunition in its cylinder. It was copied by <a href="Cobray" class="mw-redirect" title="Cobray">Cobray</a> as the Streetsweeper.<sup id="cite_ref-Cutshaw2011_30-1" class="reference"><a href="#cite_note-Cutshaw2011-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-JonesWhite2008_80-0" class="reference"><a href="#cite_note-JonesWhite2008-80"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup>
</p><p>As noted, the original Taurus/Rossi Circuit Judge is chambered to use both <a href="45_long_colt" class="mw-redirect" title="45 long colt">.45 Long Colt</a> cartridges and <a href=".410_bore" title=".410 bore">.410 bore</a> shells. However, it utilizes a rifled, rather than smooth-bore barrel.
</p>

<p>The <a href="MTs255" title="MTs255">MTs255</a> (<a href="Russian_language" title="Russian language">Russian</a>: <span lang="ru">МЦ255</span>) is a shotgun fed by a 5-round internal revolving cylinder. It is produced by the <a href="TsKIB_SOO" title="TsKIB SOO">TsKIB SOO</a>, Central Design, and Research Bureau of Sporting and Hunting Arms. They are available in 12, 20, 28, and 32 gauges, and .410 bore.
</p>
<div class="mw-heading mw-heading3"><h3 id="Other_weapons">Other weapons</h3></div>
<p>The <a href="Hawk_MM-1" title="Hawk MM-1">Hawk MM-1</a>, <a href="Milkor_MGL" title="Milkor MGL">Milkor MGL</a>, <a href="RG-6_grenade_launcher" title="RG-6 grenade launcher">RG-6</a>, and <a href="Granatnik_RGP-40" class="mw-redirect" title="Granatnik RGP-40">RGP-40</a> are <a href="Grenade_launcher" title="Grenade launcher">grenade launchers</a> that use a revolver action. Because the cylinders are much more massive, they use a spring-wound mechanism to index the cylinder.
</p><p><a href="Revolver_cannon" title="Revolver cannon">Revolver cannons</a> use a motor-driven, revolver-like mechanism to fire medium-caliber ammunition.
</p>
<div class="mw-heading mw-heading2"><h2 id="Six_gun">Six gun</h2></div>
<p>A <b>six gun</b> or <b>six-shooter</b> is a revolver that holds six cartridges. The cylinder in a six gun is often called a "wheel", and the six gun is itself often called a "wheel gun".<sup id="cite_ref-81" class="reference"><a href="#cite_note-81"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup> Although a "six gun" can refer to any six-chambered revolver, it is typically a reference to the Colt Single Action Army, or its modern look-alikes such as the <a href="Ruger_Vaquero" title="Ruger Vaquero">Ruger Vaquero</a> and <a href="Beretta_Stampede" title="Beretta Stampede">Beretta Stampede</a>.
</p><p>Until the 1970s, when older-design revolvers such as the Colt Single Action Army and <a href="Ruger_Blackhawk" title="Ruger Blackhawk">Ruger Blackhawk</a> were re-engineered with <a href="Safety_(firearms)#Drop_safeties" title="Safety (firearms)">drop safeties</a> (such as <a href="Safety_(firearms)#Firing_pin_block" title="Safety (firearms)">firing pin blocks</a>, <a href="Safety_(firearms)#Hammer_block" title="Safety (firearms)">hammer blocks</a>, or <a href="Safety_(firearms)#Transfer_bar" title="Safety (firearms)">transfer bars</a>) that prevent the firing pin from contacting the cartridge's <a href="Primer_(firearm)" class="mw-redirect" title="Primer (firearm)">primer</a> unless the trigger is pulled, safe carry required the hammer being positioned over an empty chamber, thus reducing the available cartridges from six to five, or, on some models, positioned in between chambers on either a pin or in a groove made for that purpose, thus keeping the full six rounds available. This kept the uncocked hammer from resting directly on the primer of a cartridge. If not used in this manner, the hammer rests directly on a primer and unintentional firing may occur if the gun is dropped or the hammer is struck. Some holster makers provided a thick leather thong to place underneath the hammer that both allowed the carry of a gun fully loaded with all six rounds and secured the gun in the holster to help prevent its accidental loss.
</p><p>Six guns are commonly used by <a href="Cowboy_action_shooting" title="Cowboy action shooting">cowboy action shooting</a> enthusiasts in competition shooting and are designed to mimic the gunfights of the Old West, as well as for other applications such as general target shooting, hunting, and personal defense.<sup id="cite_ref-83" class="reference"><a href="#cite_note-83"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Notable_brands_and_manufacturers">Notable brands and manufacturers</h2></div>
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<ul><li><a href="Robert_Adams_(handgun_designer)" title="Robert Adams (handgun designer)">Robert Adams</a></li>
<li><a href="Armscor_(Philippines)" title="Armscor (Philippines)">Armscor</a></li>
<li><a href="Astra-Unceta_y_Cia_SA" title="Astra-Unceta y Cia SA">Astra</a></li>
<li><a href="Charter_Arms" title="Charter Arms">Charter Arms</a></li>
<li><a href="Chiappa_Firearms" title="Chiappa Firearms">Chiappa Firearms</a></li>
<li><a href="Cimarron_Firearms" title="Cimarron Firearms">Cimarron Firearms</a></li>
<li><a href="Colt's_Manufacturing_Company" title="Colt's Manufacturing Company">Colt's Manufacturing Company</a></li>
<li><a href="Fabrique_Nationale_de_Herstal" class="mw-redirect" title="Fabrique Nationale de Herstal">Fabrique Nationale de Herstal</a></li>
<li><a href="Freedom_Arms" title="Freedom Arms">Freedom Arms</a></li>
<li><a href="Samuel_Griswold" title="Samuel Griswold">Griswold and Gunnison</a></li>
<li><a href="Harrington_%26_Richardson" title="Harrington &amp; Richardson">Harrington &amp; Richardson</a></li>
<li><a href="Iver_Johnson" title="Iver Johnson">Iver Johnson</a></li>
<li><a href="Janz_(revolvers)" title="Janz (revolvers)">Janz (revolvers)</a></li>
<li><a href="Kimber_Manufacturing" title="Kimber Manufacturing">Kimber Manufacturing</a></li>
<li><a href="Korth" title="Korth">Korth</a></li>
<li><a href="Magnum_Research" title="Magnum Research">Magnum Research</a></li>
<li><a href="Manurhin" title="Manurhin">Manurhin</a></li>
<li><a href="Mateba_Autorevolver" title="Mateba Autorevolver">Mateba Arms</a></li>
<li><a href="Meriden_Firearms_Co." title="Meriden Firearms Co.">Meriden Firearms Co.</a></li>
<li><a href="Merwin_Hulbert" class="mw-redirect" title="Merwin Hulbert">Merwin Hulbert</a></li>
<li><a href="Fabrique_d'armes_%C3%89mile_et_L%C3%A9on_Nagant" title="Fabrique d'armes Émile et Léon Nagant">Nagant</a></li>
<li><a href="North_American_Arms" title="North American Arms">North American Arms</a></li>
<li><a href="Remington_Arms" title="Remington Arms">Remington Arms</a></li>
<li><a href="Rossi_(manufacturer)" class="mw-redirect" title="Rossi (manufacturer)">Rossi</a></li>
<li><a href="Royal_Small_Arms_Factory" title="Royal Small Arms Factory">Royal Small Arms Factory</a></li>
<li><a href="Sturm%2C_Ruger_%26_Co." title="Sturm, Ruger &amp; Co.">Sturm, Ruger &amp; Co.</a></li>
<li><a href="Smith_%26_Wesson" title="Smith &amp; Wesson">Smith &amp; Wesson</a></li>
<li><a href="Taurus_(manufacturer)" class="mw-redirect" title="Taurus (manufacturer)">Taurus Firearms</a></li>
<li><a href="U.S._Fire_Arms_Manufacturing_Company" title="U.S. Fire Arms Manufacturing Company">United States Fire-Arms Manufacturing Company</a></li>
<li><a href="A._Uberti%2C_Srl." class="mw-redirect" title="A. Uberti, Srl.">A. Uberti, Srl.</a></li>
<li><a href="Tranter_(revolver)" title="Tranter (revolver)">William Tranter</a></li>
<li><a href="Webley_%26_Scott" title="Webley &amp; Scott">Webley &amp; Scott</a></li>
<li><a href="Dan_Wesson_Firearms" title="Dan Wesson Firearms">Dan Wesson Firearms</a></li></ul>
</div>
<div class="mw-heading mw-heading2"><h2 id="Gallery">Gallery</h2></div>
<ul class="gallery mw-gallery-packed">
<li class="gallerybox" style="width: 201.33333333333px">
<div class="thumb" style="width: 199.33333333333px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Mateba_Autorevolver" title="Mateba Autorevolver">Mateba Autorevolver</a></div>
</li>
<li class="gallerybox" style="width: 222.66666666667px">
<div class="thumb" style="width: 220.66666666667px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Colt_Anaconda" title="Colt Anaconda">Colt Anaconda</a> <a href=".44_Magnum" title=".44 Magnum">.44 Magnum</a> revolver</div>
</li>
<li class="gallerybox" style="width: 150.66666666667px">
<div class="thumb" style="width: 148.66666666667px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Colt_Python" title="Colt Python">Colt Python</a> <a href=".357_Magnum" title=".357 Magnum">.357 Magnum</a> revolvers</div>
</li>
<li class="gallerybox" style="width: 189.33333333333px">
<div class="thumb" style="width: 187.33333333333px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Smith_%26_Wesson_Model_625" title="Smith &amp; Wesson Model 625">Smith &amp; Wesson Model 625</a> for <a href="International_Practical_Shooting_Confederation" title="International Practical Shooting Confederation">IPSC shooting</a></div>
</li>
<li class="gallerybox" style="width: 186.66666666667px">
<div class="thumb" style="width: 184.66666666667px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Smith &amp; Wesson Model 625JM, as designed by <a href="Jerry_Miculek" title="Jerry Miculek">Jerry Miculek</a>.</div>
</li>
<li class="gallerybox" style="width: 190px">
<div class="thumb" style="width: 188px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Alfa Proj Model Alfa Para 9mm caliber</div>
</li>
<li class="gallerybox" style="width: 176.66666666667px">
<div class="thumb" style="width: 174.66666666667px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="Taurus_(manufacturer)" class="mw-redirect" title="Taurus (manufacturer)">Taurus</a> .357 Magnum Model 605</div>
</li>
<li class="gallerybox" style="width: 236px">
<div class="thumb" style="width: 234px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Taurus .45 Colt/<a href=".410_bore" title=".410 bore">.410 bore</a> Model 4510 '<a href="Taurus_Judge" title="Taurus Judge">The Judge</a>'</div>
</li>
<li class="gallerybox" style="width: 161.33333333333px">
<div class="thumb" style="width: 159.33333333333px;"><span typeof="mw:File"></span></div>
<div class="gallerytext"><a href="IOF_.32_Revolver" class="mw-redirect" title="IOF .32 Revolver">IOF .32 Revolver</a> in <a href=".32_S%26W" title=".32 S&amp;W">.32 S&amp;W</a></div>
</li>
<li class="gallerybox" style="width: 227.33333333333px">
<div class="thumb" style="width: 225.33333333333px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Colt 1849 Pocket Model, made 1850–1873.</div>
</li>
<li class="gallerybox" style="width: 182px">
<div class="thumb" style="width: 180px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">Belgian-made <a href="Lefaucheux_M1858" title="Lefaucheux M1858">Lefaucheux revolver</a>, c. 1860 – 1865</div>
</li>
<li class="gallerybox" style="width: 184.66666666667px">
<div class="thumb" style="width: 182.66666666667px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">A Russian <a href="Nagant_M1895" title="Nagant M1895">Nagant M1895</a></div>
</li>
<li class="gallerybox" style="width: 162px">
<div class="thumb" style="width: 160px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">A <a href="Smith_%26_Wesson_Model_29" title="Smith &amp; Wesson Model 29">Smith &amp; Wesson Model 29</a></div>
</li>
<li class="gallerybox" style="width: 182px">
<div class="thumb" style="width: 180px;"><span typeof="mw:File"></span></div>
<div class="gallerytext">North American Arms (NAA) mini revolver in .22 LR. It can fold into its own grip for safe belt clip carry.</div>
</li>
</ul>
<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="Gunspinning" title="Gunspinning">Gunspinning</a></li>
<li><a href="List_of_revolvers" title="List of revolvers">List of revolvers</a></li>
<li><a href="Russian_roulette" title="Russian roulette">Russian roulette</a></li>
<li><a href="Turret_gun" title="Turret gun">Turret gun</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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</style><cite id="CITEREFBen2015" class="citation web cs1">Ben (2015-04-28). <a rel="nofollow" class="external text" href="https://crimefictionbook.com/2015/04/28/on-writing-guns-do-all-revolvers-hold-six-rounds/">"On Writing Guns: Do All Revolvers Hold Six Rounds?"</a>. <i>The Writer's Guide to Weapons</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-10-30</span></span>.</cite></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><cite id="CITEREFRichard_A._Haynes1999" class="citation book cs1">Richard A. Haynes (1 January 1999). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=bOCsCQAAQBAJ&amp;pg=PA137"><i>THE SWAT CYCLOPEDIA: A Handy Desk Reference of Terms, Techniques, and Strategies Associated with the Police Special Weapons and Tactics Function</i></a>. Charles C Thomas. p.&nbsp;137. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>9780398083434</bdi>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230422232155/https://books.google.com/books?id=bOCsCQAAQBAJ&amp;pg=PA137">Archived</a> from the original on 22 April 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">20 September</span> 2020</span>. <q>Wheel Gun The slang term for a revolve handgun that references the rotation of the weapon's cylinder in its firing action, just as a wheel turns.</q></cite></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite id="CITEREFEngel2015" class="citation book cs1">Engel, Tara Dixon (10 September 2015). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=lZeOCgAAQBAJ&amp;pg=PA58"><i>The Handgun Guide for Women: Shoot Straight, Shoot Safe, and Carry with Confidence</i></a>. Zenith Press. p.&nbsp;58. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>9781627888103</bdi>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230422232157/https://books.google.com/books?id=lZeOCgAAQBAJ&amp;pg=PA58">Archived</a> from the original on 22 April 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">20 September</span> 2020</span>. <q>Let's start with a revolver, sometimes called a wheel gun.</q></cite></span>
</li>
<li id="cite_note-Morgan2014-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Morgan2014_4-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFMorgan2014" class="citation book cs1">Morgan, Michael (2014). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=lWUFAQAAQBAJ&amp;pg=PA75"><i>Handbook of Modern Percussion Revolvers</i></a>. Iola, Wisconsin: Krause Publications. p.&nbsp;75. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-3898-7</bdi>.</cite></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite id="CITEREFBakewell1859" class="citation cs2">Bakewell, Frederick (1859), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=GmxAAQAAIAAJ&amp;dq=Revolver+Tower+Of+London+Matchlock&amp;pg=PA264"><i>Great Facts: A Popular History and Description of the Most Remarkable Inventions During the Present Century</i></a>, Houlston and Wright, p.&nbsp;264, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0608435368</bdi>, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230422232156/https://books.google.com/books?id=GmxAAQAAIAAJ&amp;dq=Revolver+Tower+Of+London+Matchlock&amp;pg=PA264">archived</a> from the original on 2023-04-22<span class="reference-accessdate">, retrieved <span class="nowrap">2022-09-09</span></span></cite> <span class="cs1-hidden-error citation-comment"><code class="cs1-code">{{citation}}</code>: </span><span class="cs1-hidden-error citation-comment">ISBN / Date incompatibility (help)</span></span>
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<li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><cite id="CITEREFBoothroyd1988" class="citation book cs1">Boothroyd, Geoffrey (1988). <i>The Handgun</i> (Second&nbsp;ed.). London: The Sportsman's Press. p.&nbsp;107. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0948253274</bdi>.</cite></span>
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<li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><cite id="CITEREFTaylersonAndrews1968" class="citation book cs1">Taylerson, A.W.F.; Andrews, R.A.N. (1968). <i>The Revolver 1818-1865</i>. London: Herbert Jenkins. p.&nbsp;22.</cite></span>
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<li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><cite id="CITEREFFergusonNicholson2023" class="citation cs2">Ferguson, Jonathan; Nicholson, Ben (2023), "Early Revolver Design, 1530s to 1820s", in Nicholson, Ben (ed.), <i>Clockwork Basilisk: The Early Revolvers of Elisha Collier &amp; Artemas Wheeler</i>, vol.&nbsp;1, Nashville, TN: Headstamp, p.&nbsp;50, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>9781733424660</bdi></cite></span>
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<li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><cite id="CITEREFFergusonNicholson2023" class="citation cs2">Ferguson, Jonathan; Nicholson, Ben (2023), "Early Revolver Design, 1530s to 1820s", in Nicholson, Ben (ed.), <i>Clockwork Basilisk: The Early Revolvers of Elisha Collier &amp; Artemas Wheeler</i>, vol.&nbsp;1, Nashville, TN: Headstamp, p.&nbsp;62, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>9781733424660</bdi></cite></span>
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<li id="cite_note-Ferguson2025-14"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ferguson2025_14-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ferguson2025_14-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFFerguson2025" class="citation journal cs1">Ferguson, Jonathan S. (20 January 2025). "An English brass snaphance self-rotating revolver by Annely, ca.1730 (Royal Armouries object number xii.4745)". <i>Arms &amp; Armour</i>. <b>22</b>: <span class="nowrap">145–</span>158. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1080%2F17416124.2024.2442212">10.1080/17416124.2024.2442212</a>.</cite></span>
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<li id="cite_note-TaylersonAndrews1968-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-TaylersonAndrews1968_15-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFTaylersonAndrews1968" class="citation book cs1">Taylerson, A.W.F.; Andrews, R.A.N. (1968). <i>The Revolver 1818-1865</i>. London: Herbert Jenkins. p.&nbsp;25-7.</cite></span>
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<li id="cite_note-Flayderman2001-26"><span class="mw-cite-backlink">^ <a href="#cite_ref-Flayderman2001_26-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Flayderman2001_26-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFFlayderman2001" class="citation book cs1">Flayderman, Norm (2001). <i>Flayderman's Guide to Antique American Firearms&nbsp;... and their values</i>. Iola, WI: Krause Publications. p.&nbsp;213. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0-87349-313-3</bdi>.</cite></span>
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<li id="cite_note-Standard_Catalog_of_Colt_Firearms-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-Standard_Catalog_of_Colt_Firearms_28-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFSapp2007" class="citation book cs1">Sapp, Rick (2007). <i>Standard Catalog of Colt Firearms</i>. Iola, WI: Gun Digest Books. p.&nbsp;79. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0896895348</bdi>.</cite></span>
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<li id="cite_note-SupicaNahas2007-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-SupicaNahas2007_42-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFSupicaNahas2007" class="citation book cs1">Supica, Jim; Nahas, Richard (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=D8qXdU45SCUC&amp;pg=PA301"><i>Standard Catalog of Smith &amp; Wesson</i></a>. Iola, Wisconsin: F+W Media, Inc. p.&nbsp;301. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-89689-293-4</bdi>.</cite></span>
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<li id="cite_note-Shideler2010-43"><span class="mw-cite-backlink">^ <a href="#cite_ref-Shideler2010_43-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Shideler2010_43-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFShideler2010" class="citation book cs1">Shideler, Dan (2010). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=eT2t8PBVmVMC&amp;pg=PA53"><i>Guns Illustrated 2011: The Latest Guns, Specs &amp; Prices</i></a>. Iola, Wisconsin: F+W Media, Inc. p.&nbsp;53. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-1624-4</bdi>.</cite></span>
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<li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><cite id="CITEREFAyoob2007" class="citation book cs1"><a href="Massad_Ayoob" title="Massad Ayoob">Ayoob, Massad</a> (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ZSOkN9sQDdMC&amp;pg=PA233"><i>The Gun Digest Book of Combat Handgunnery</i></a> (Iola, Wisconsin&nbsp;ed.). Gun Digest Books. p.&nbsp;233. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-1825-5</bdi>.</cite></span>
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<li id="cite_note-RKCampbell2009-45"><span class="mw-cite-backlink">^ <a href="#cite_ref-RKCampbell2009_45-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-RKCampbell2009_45-10"><sup><i><b>k</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFCampbell2009" class="citation book cs1">Campbell, Robert K. (2009). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=L7FVmlpWTD8C&amp;pg=PA20"><i>The Gun Digest Book of Personal Protection &amp; Home Defense</i></a>. Iola, Wisconsin: Krause Publications. p.&nbsp;20. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-2443-0</bdi>.</cite></span>
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<li id="cite_note-Keith1955-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-Keith1955_46-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFKeith1955" class="citation book cs1"><a href="Elmer_Keith" title="Elmer Keith">Keith, Elmer</a> (1955). <i>Sixguns</i>. Salmon, Idaho: Wolfe Publishing Company. p.&nbsp;125. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-879356-09-2</bdi>.</cite> <span class="cs1-hidden-error citation-comment"><code class="cs1-code">{{cite book}}</code>: </span><span class="cs1-hidden-error citation-comment">ISBN / Date incompatibility (help)</span></span>
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<li id="cite_note-Shideler20112-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-Shideler20112_47-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFShideler2011" class="citation book cs1">Shideler, Dan (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=YLzs0xmcpYwC&amp;pg=PA583"><i>Gun Digest Book of Guns &amp; Prices 2011</i></a>. Iola, Wisconsin: Gun Digest Books. p.&nbsp;583. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-1896-5</bdi>.</cite></span>
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<li id="cite_note-48"><span class="mw-cite-backlink"><b><a href="#cite_ref-48">^</a></b></span> <span class="reference-text"><cite id="CITEREFShideler2009" class="citation book cs1">Shideler, Dan (26 June 2009). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=MWFXRDeFrpsC&amp;pg=PA188"><i>The Gun Digest Book of Modern Gun Values: The Shooter's Guide to Guns 1900-Present</i></a>. Iola: Gun Digest Books. p.&nbsp;188. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-89689-824-0</bdi>.</cite></span>
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<li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><cite id="CITEREFDockery2007" class="citation book cs1"><a href="Kevin_Dockery_(author)" title="Kevin Dockery (author)">Dockery, Kevin</a> (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=8RxJxY7wQn0C&amp;pg=PA289"><i>Future Weapons</i></a>. United States: Penguin Group. p.&nbsp;289. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-425-21750-4</bdi>.</cite></span>
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<li id="cite_note-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-50">^</a></b></span> <span class="reference-text"><cite id="CITEREFTaylor2009" class="citation web cs1">Taylor, Chuck (2009-08-29). <a rel="nofollow" class="external text" href="http://www.tactical-life.com/online/exclusives/commentary-why-the-revolver-wont-go-away/">"Why the Revolver Won't Go Away"</a>. Tactical-Life.com. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090810230657/http://www.tactical-life.com/online/exclusives/commentary-why-the-revolver-wont-go-away/">Archived</a> from the original on 2009-08-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2009-09-16</span></span>.</cite></span>
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<li id="cite_note-Ahern2010-51"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ahern2010_51-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ahern2010_51-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFAhern2010" class="citation book cs1">Ahern, Jerry (2010). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=LyoEmeSwGwgC&amp;pg=PA199"><i>Gun Digest Buyer's Guide to Concealed-Carry Handguns</i></a>. Iola, Wisconsin: Gun Digest Books. pp.&nbsp;<span class="nowrap">199–</span>201. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-1743-2</bdi>.</cite></span>
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<li id="cite_note-Chicoine2005-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-Chicoine2005_52-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFChicoine2005" class="citation book cs1">Chicoine, David (2005). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=jNuEWcNOjjgC&amp;pg=PA236"><i>Guns of the New West: A Close Up Look at Modern Replica Firearms</i></a>. Iola, Wisconsin: Krause Publications. p.&nbsp;236. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0-87349-768-6</bdi>.</cite></span>
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<li id="cite_note-Chun2013-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-Chun2013_53-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFChun2013" class="citation book cs1">Chun, Clayton (2013). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=bD9r6PdqdMUC&amp;pg=PA70"><i>US Army in the Plains Indian Wars 1865-1891</i></a>. Osprey Publishing. p.&nbsp;70. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4728-0036-7</bdi>.</cite></span>
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<li id="cite_note-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-54">^</a></b></span> <span class="reference-text"><cite id="CITEREFRamageSigler2008" class="citation book cs1">Ramage, Ken; Sigler, Derrek (2008). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140708224454/http://books.google.com/books?id=0pSA2xVGZVYC&amp;pg=PA133"><i>Guns Illustrated 2009</i></a>. Iola, Wisconsin: F+W Media. p.&nbsp;133. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-89689-673-4</bdi>. Archived from <a rel="nofollow" class="external text" href="https://books.google.com/books?id=0pSA2xVGZVYC&amp;pg=PA133">the original</a> on July 8, 2014.</cite></span>
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<li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text"><cite id="CITEREFCampbell" class="citation web cs1">Campbell, R.K. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070916000826/http://www.gunweek.com/2000/lefties.html">"Tips for Lefties Shooting in a Right-Handed World"</a>. <i>GunWeek.com</i>. Archived from <a rel="nofollow" class="external text" href="http://www.gunweek.com/2000/lefties.html">the original</a> on 2007-09-16<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-11-13</span></span>.</cite></span>
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<li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text"><cite id="CITEREFRadielovicPrasac2012" class="citation book cs1">Radielovic, Marko; Prasac, Max (2012). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140708223546/http://books.google.com/books?id=V89WYyn1GeEC&amp;pg=PA17"><i>Big-Bore Revolvers</i></a>. Iola, Wisconsin: Gun Digest Books. p.&nbsp;17. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-2856-8</bdi>. Archived from <a rel="nofollow" class="external text" href="https://books.google.com/books?id=V89WYyn1GeEC&amp;pg=PA17">the original</a> on July 8, 2014.</cite></span>
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<li id="cite_note-Taffin2005-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-Taffin2005_58-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFTaffin2005" class="citation book cs1"><a href="John_Taffin" title="John Taffin">Taffin, John</a> (2005). Kevin Michalowski (ed.). <a rel="nofollow" class="external text" href="https://archive.org/details/Cowboy_Action_Shooting_The_Gun_Digest_Book_of"><i>The Gun Digest Book of Cowboy Action Shooting: Guns Gear Tactics</i></a>. Gun Digest Books. pp.&nbsp;<a rel="nofollow" class="external text" href="https://archive.org/details/Cowboy_Action_Shooting_The_Gun_Digest_Book_of/page/n178">173</a>–175. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0-89689-140-2</bdi>.</cite></span>
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<li id="cite_note-Hogg1978-59"><span class="mw-cite-backlink"><b><a href="#cite_ref-Hogg1978_59-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFIan_V._Hogg1978" class="citation book cs1">Ian V. Hogg (1978). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/completeillustra00ianv/page/287"><i>The complete illustrated encyclopedia of the world's firearms</i></a></span>. A &amp; W Publishers. p.&nbsp;<a rel="nofollow" class="external text" href="https://archive.org/details/completeillustra00ianv/page/287">287</a>. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-89479-031-7</bdi>.</cite></span>
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<li id="cite_note-Sweeney2009-61"><span class="mw-cite-backlink">^ <a href="#cite_ref-Sweeney2009_61-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Sweeney2009_61-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFSweeney2009" class="citation book cs1"><a href="Patrick_Sweeney_(gunsmith)" title="Patrick Sweeney (gunsmith)">Sweeney, Patrick</a> (2009). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140708220621/http://books.google.com/books?id=MDAwpKEietkC&amp;pg=PA49"><i>Gunsmithing - Pistols and Revolvers</i></a>. Iola, Wisconsin: Gun Digest Books. pp.&nbsp;<span class="nowrap">49–</span>50. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-0389-3</bdi>. Archived from <a rel="nofollow" class="external text" href="https://books.google.com/books?id=MDAwpKEietkC&amp;pg=PA49">the original</a> on July 8, 2014.</cite></span>
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<li id="cite_note-Sween2004-63"><span class="mw-cite-backlink">^ <a href="#cite_ref-Sween2004_63-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Sween2004_63-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFSweeney2004" class="citation book cs1"><a href="Patrick_Sweeney_(gunsmith)" title="Patrick Sweeney (gunsmith)">Sweeney, Patrick</a> (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=eBxEBgJBG0MC&amp;pg=PA284"><i>The Gun Digest Book of Smith &amp; Wesson</i></a>. Iola, Wisconsin: Gun Digest Books. p.&nbsp;284. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>0-87349-792-9</bdi>.</cite></span>
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<li id="cite_note-5gunrefs-65"><span class="mw-cite-backlink"><b><a href="#cite_ref-5gunrefs_65-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://3dprint.com/14636/3d-prnted-guns/">5 Different 3D Printed Gun Models Have Been Fired Since May, 2013 – Here They Are</a>, 3D Print, September 10, 2014. (<a rel="nofollow" class="external text" href="https://web.archive.org/web/20140911193036/http://3dprint.com/14636/3d-prnted-guns/">archive</a>)</span>
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<li id="cite_note-Kinard2004-71"><span class="mw-cite-backlink"><b><a href="#cite_ref-Kinard2004_71-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFKinard2004" class="citation book cs1">Kinard, Jeff (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ZVnuHX_6bG0C&amp;pg=PA144"><i>Pistols: An Illustrated History of Their Impact</i></a>. ABC-CLIO. p.&nbsp;144. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-85109-470-7</bdi>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230422232213/https://books.google.com/books?id=ZVnuHX_6bG0C&amp;pg=PA144">Archived</a> from the original on 2023-04-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2015-11-12</span></span>.</cite></span>
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<li id="cite_note-Shideler2011-72"><span class="mw-cite-backlink"><b><a href="#cite_ref-Shideler2011_72-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFShideler2011" class="citation book cs1">Shideler, Dan (2011). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140708220746/http://books.google.com/books?id=25rTlO5THIkC&amp;pg=PA416"><i>Gun Digest 2012</i></a>. Iola, Wisconsin: Gun Digest Books. p.&nbsp;416. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-2891-9</bdi>. Archived from <a rel="nofollow" class="external text" href="https://books.google.com/books?id=25rTlO5THIkC&amp;pg=PA416">the original</a> on July 8, 2014.</cite></span>
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<li id="cite_note-Bishop2006-73"><span class="mw-cite-backlink"><b><a href="#cite_ref-Bishop2006_73-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFBishop2006" class="citation book cs1">Bishop, Chris (2006). <i>The Encyclopedia of Weapons: From World War II to the Present Day</i>. San Diego, California: Thunder Bay Press. p.&nbsp;355.</cite></span>
</li>
<li id="cite_note-TroianiKochan1998-74"><span class="mw-cite-backlink"><b><a href="#cite_ref-TroianiKochan1998_74-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFTroianiKochanCoatesJames_Kochan1998" class="citation book cs1">Troiani, Don; Kochan, James L.; Coates, Earl J.; James Kochan (1998). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/isbn_9780811705196"><i>Don Troiani's Soldiers in America, 1754-1865</i></a></span>. Stackpole Books. p.&nbsp;<a rel="nofollow" class="external text" href="https://archive.org/details/isbn_9780811705196/page/214">214</a>. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-8117-0519-6</bdi>.</cite></span>
</li>
<li id="cite_note-Coggins2012-75"><span class="mw-cite-backlink"><b><a href="#cite_ref-Coggins2012_75-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFCoggins2012" class="citation book cs1">Coggins, Jack (2012). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=9kLCAgAAQBAJ&amp;pg=PA36"><i>Arms and Equipment of the Civil War</i></a>. Courier Dover Publications. pp.&nbsp;<span class="nowrap">36–</span>37. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-486-13127-6</bdi>.</cite></span>
</li>
<li id="cite_note-DizardMuth1999-76"><span class="mw-cite-backlink"><b><a href="#cite_ref-DizardMuth1999_76-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFDizardMuthAndrews1999" class="citation book cs1">Dizard, Jan E.; Muth, Robert M.; Andrews, Stephen P. (1999). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ygcO6WyqrYkC&amp;pg=PA62"><i>Guns in America: A Reader</i></a>. New York: NYU Press. p.&nbsp;62. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-8147-1879-7</bdi>.</cite></span>
</li>
<li id="cite_note-Shideler2011=lmc-77"><span class="mw-cite-backlink"><b><a href="#cite_ref-Shideler2011=lmc_77-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFShideler2011" class="citation book cs1">Shideler, Dan (10 May 2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=xyoOLh4ZNCQC&amp;pg=PA556"><i>The Gun Digest Book of Guns &amp; Prices 2011</i></a>. Iola, Wisconsin: Gun Digest Books. pp.&nbsp;<span class="nowrap">555–</span>556. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-1890-3</bdi>.</cite></span>
</li>
<li id="cite_note-Muramatsu2013-78"><span class="mw-cite-backlink"><b><a href="#cite_ref-Muramatsu2013_78-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFMuramatsu2013" class="citation book cs1">Muramatsu, Kevin (2013). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=uDImaye2tY0C&amp;pg=PA310"><i>The Gun Digest Book of Centerfire Rifles Assembly/Disassembly</i></a>. Iola, Wisconsin: Krause Publications. p.&nbsp;310. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-3544-3</bdi>.</cite></span>
</li>
<li id="cite_note-Sapp2007-79"><span class="mw-cite-backlink"><b><a href="#cite_ref-Sapp2007_79-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFSapp2007" class="citation book cs1">Sapp, Rick (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=6eBW-HqX24cC&amp;pg=PA209"><i>Standard Catalog of Colt Firearms</i></a>. Iola, Wisconsin: Gun Digest Books. pp.&nbsp;198, 209. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-1-4402-2697-7</bdi>.</cite></span>
</li>
<li id="cite_note-JonesWhite2008-80"><span class="mw-cite-backlink"><b><a href="#cite_ref-JonesWhite2008_80-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFJonesWhite2008" class="citation book cs1">Jones, Richard D.; White, Andrew (27 May 2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=xNa3OtG25a0C&amp;pg=PA355"><i>Jane's Guns Recognition Guide 5e</i></a>. HarperCollins. p.&nbsp;355. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-06-137408-1</bdi>.</cite></span>
</li>
<li id="cite_note-81"><span class="mw-cite-backlink"><b><a href="#cite_ref-81">^</a></b></span> <span class="reference-text"><cite id="CITEREFSmith2004" class="citation web cs1">Smith, Clint (September 2004). <a rel="nofollow" class="external text" href="https://archive.today/20120709230609/http://findarticles.com/p/articles/mi_m0BQY/is_9_50/ai_n6125506/">"Wheel guns are real guns"</a>. <i>Findarticles.com</i>. Guns Magazine. Archived from <a rel="nofollow" class="external text" href="http://findarticles.com/p/articles/mi_m0BQY/is_9_50/ai_n6125506/">the original</a> on 2012-07-09.</cite></span>
</li>
<li id="cite_note-82"><span class="mw-cite-backlink"><b><a href="#cite_ref-82">^</a></b></span> <span class="reference-text"><cite id="CITEREFGromer2002" class="citation journal cs1">Gromer, Cliff (August 2002). "New Guns of the Old West". <i>Popular Mechanics</i>: <span class="nowrap">86–</span>89.</cite></span>
</li>
<li id="cite_note-83"><span class="mw-cite-backlink"><b><a href="#cite_ref-83">^</a></b></span> <span class="reference-text">Handloader Ammunition Reloading Journal, August 2009 edition in the "From the Hip" article by Brian Pearce. Page 32.</span>
</li>
</ol></div>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
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<div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Revolvers" class="extiw external" title="commons:Category:Revolvers">Revolvers</a></span>.</div></div>
</div>
<ul><li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/USRE124">U.S. patent RE124</a></span> – <i>Revolving gun</i></li>
<li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US1304">U.S. patent 1,304</a></span> – <i>Improvement in firearms</i></li>
<li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US7613">U.S. patent 7,613</a></span> – <i>Revolver</i></li>
<li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US7629">U.S. patent 7,629</a></span> – <i>Revolver</i></li>
<li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US12648">U.S. patent 12,648</a></span> – <i>Repeating firearm</i></li>
<li><span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US12649">U.S. patent 12,649</a></span> – <i>Revolver</i></li></ul>
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</style><div id="Firearms_(list,_glossary,_and_topics)20297" style="font-size:114%;margin:0 4em"><a href="Firearm" title="Firearm">Firearms</a>&nbsp;(<a href="List_of_firearms" title="List of firearms">list</a>, <a href="Glossary_of_firearms_terms" title="Glossary of firearms terms">glossary</a>, and topics)</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Firearm" title="Firearm">Firearm</a>
<ul><li>lists</li></ul></li>
<li><a href="Gun" title="Gun">Gun</a></li>
<li><a href="History_of_the_firearm" title="History of the firearm">History</a></li>
<li><a href="Gun_safety" title="Gun safety">Safety</a></li>
<li><a href="War" title="War">War</a></li>
<li><a href="Weapon" title="Weapon">Weapon</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Types_of_firearms35" style="font-size:114%;margin:0 4em"><a href="Firearm#Types" title="Firearm">Types of firearms</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Breechloader" title="Breechloader">Breechloader</a>&nbsp;versus&nbsp;<a href="Muzzleloader" title="Muzzleloader">muzzleloader</a></li>
<li><a href="Combination_weapons" title="Combination weapons">Combination weapons</a>
<ul><li><a href="Combination_guns" class="mw-redirect" title="Combination guns">Combination</a></li></ul></li>
<li><a href="Elephant_gun" title="Elephant gun">Elephant</a></li>
<li><a href="Flare_gun" title="Flare gun">Flare gun</a></li>
<li><a href="Line_thrower" title="Line thrower">Line thrower</a></li>
<li><a href="Long_gun" title="Long gun">Long gun</a>
<ul><li><a href="Carbine" title="Carbine">Carbine</a></li>
<li><a href="Musket" title="Musket">Musket</a></li>
<li><a href="Takedown_gun" title="Takedown gun">Takedown</a></li></ul></li>
<li><a href="Multiple-barrel_firearm" title="Multiple-barrel firearm">Multiple-barrel</a>&nbsp;(<a href="List_of_multiple-barrel_firearms" title="List of multiple-barrel firearms">list</a>)</li>
<li><a href="Needlegun" title="Needlegun">Needler</a></li>
<li><a href="Net_gun" title="Net gun">Net gun</a></li>
<li><a href="Pen_gun" title="Pen gun">Pen gun</a></li>
<li><a href="Riot_gun" title="Riot gun">Riot gun</a></li>
<li><a href="Rotary_cannon" title="Rotary cannon">Rotary</a></li>
<li><a href="Single-shot" title="Single-shot">Single-shot</a></li>
<li><a href="Sleeve_gun" title="Sleeve gun">Sleeve gun</a></li>
<li><a href="Smoothbore" title="Smoothbore">Smoothbore</a></li>
<li><a href="Spring-gun" title="Spring-gun">Spring-gun</a></li>
<li><a href="Underwater_firearm" title="Underwater firearm">Underwater firearm</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Handgun" title="Handgun">Handguns</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Cane_gun" title="Cane gun">Cane gun</a></li>
<li><a href="Derringer" title="Derringer">Derringer</a></li>
<li><a href="Duelling_pistol" title="Duelling pistol">Duelling</a></li>
<li><a href="Pistol" title="Pistol">Pistol</a>
<ul><li><a href="List_of_pistols" title="List of pistols">list</a></li></ul></li>
<li><a href="Machine_pistol" title="Machine pistol">Machine</a></li>
<li><a href="Pepper-box" title="Pepper-box">Pepper-box</a></li>
<li><a href="Pocket_pistol" title="Pocket pistol">Pocket</a></li>
<li>
<ul><li><a href="List_of_revolvers" title="List of revolvers">list</a></li></ul></li>
<li><a href="Semi-automatic_pistol" title="Semi-automatic pistol">Semi-automatic pistol</a>
<ul><li><a href="List_of_semi-automatic_pistols" title="List of semi-automatic pistols">list</a></li></ul></li>
<li><a href="Pistol_caliber_carbine" class="mw-redirect" title="Pistol caliber carbine">Pistol caliber</a>
<ul><li><a href="Personal_defence_weapon" class="mw-redirect" title="Personal defence weapon">Personal defence weapon</a></li>
<li><a href="Submachine_gun" title="Submachine gun">Submachine gun</a></li></ul></li>
<li><a href="Starting_pistol" title="Starting pistol">Starting</a></li>
<li><a href="Wallet_gun" title="Wallet gun">Wallet gun</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Rifle" title="Rifle">Rifles</a>&nbsp;(<a href="List_of_rifles" title="List of rifles">list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Anti-materiel_rifle" title="Anti-materiel rifle">Anti-materiel</a></li>
<li><a href="Anti-tank_rifle" title="Anti-tank rifle">Anti-tank</a></li>
<li><a href="Assault_rifle" title="Assault rifle">Assault</a>
<ul><li><a href="List_of_assault_rifles" title="List of assault rifles">list</a></li></ul></li>
<li><a href="Automatic_rifle" title="Automatic rifle">Automatic</a></li>
<li><a href="Battle_rifle" title="Battle rifle">Battle</a>
<ul><li><a href="List_of_battle_rifles" title="List of battle rifles">list</a></li></ul></li>
<li><a href="Carbine_rifle" class="mw-redirect" title="Carbine rifle">Carbine</a>
<ul><li><a href="List_of_carbines" title="List of carbines">list</a></li></ul></li>
<li><a href="Double_rifle" title="Double rifle">Double</a></li>
<li><a href="Hunting_rifle" class="mw-redirect" title="Hunting rifle">Hunting</a>
<ul><li><a href="Buffalo_rifle" title="Buffalo rifle">Buffalo</a></li>
<li><a href="Elephant_rifle" class="mw-redirect" title="Elephant rifle">Elephant</a></li>
<li><a href="Express_rifle" class="mw-redirect" title="Express rifle">Express</a></li>
<li><a href="Punt_gun" title="Punt gun">Punt</a></li>
<li><a href="Varmint_rifle" title="Varmint rifle">Varmint</a></li></ul></li>
<li><a href="Designated_marksman_rifle" title="Designated marksman rifle">Marksman</a></li>
<li><a href="Rifling" title="Rifling">Rifling</a>
<ul><li><a href="Polygonal_rifling" title="Polygonal rifling">Polygonal</a></li></ul></li>
<li><a href="Repeating_rifle" title="Repeating rifle">Repeating</a></li>
<li><a href="Sniper_rifle" title="Sniper rifle">Sniper</a>
<ul><li><a href="List_of_sniper_rifles" title="List of sniper rifles">list</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="Machine_gun" title="Machine gun">Machine guns</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="General_purpose_machine_gun" class="mw-redirect" title="General purpose machine gun">General purpose</a></li>
<li><a href="Light_machine_gun" title="Light machine gun">Light</a></li>
<li><a href="Medium_machine_gun" title="Medium machine gun">Medium</a></li>
<li><a href="Heavy_machine_gun" title="Heavy machine gun">Heavy</a></li>
<li><a href="Squad_automatic_weapon" title="Squad automatic weapon">SAW</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Shotgun" title="Shotgun">Shotguns</a>&nbsp;(<a href="List_of_shotguns" title="List of shotguns">list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Automatic_shotgun" title="Automatic shotgun">Automatic shotgun</a></li>
<li><a href="Coach_gun" title="Coach gun">Coach gun</a></li>
<li><a href="Combat_shotgun" title="Combat shotgun">Combat shotgun</a></li>
<li><a href="Double-barreled_shotgun" title="Double-barreled shotgun">Double-barreled</a></li>
<li><a href="Pump_action" title="Pump action">Pump action</a></li>
<li><a href="Riot_shotgun" title="Riot shotgun">Riot</a></li>
<li><a href="Sawed-off_shotgun" class="mw-redirect" title="Sawed-off shotgun">Sawed-off</a>
<ul><li><a href="Boomstick" class="mw-redirect" title="Boomstick">Boomstick</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;">Ammunition</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="20-gauge_shotgun" title="20-gauge shotgun">20-gauge shotgun</a></li>
<li><a href="Breaching_round" title="Breaching round">Breaching round</a></li>
<li><a href="Dragon's_breath_(ammunition)" title="Dragon's breath (ammunition)">Dragon's breath</a></li>
<li><a href="Shotgun_shell" class="mw-redirect" title="Shotgun shell">Shotgun shell</a>
<ul><li><a href=".410_bore" title=".410 bore">.410 bore</a></li></ul></li>
<li><a href="Shot_(pellet)" title="Shot (pellet)">Shot</a></li>
<li><a href="Shotgun_slug" title="Shotgun slug">Slug</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="History_of_the_firearm" title="History of the firearm">Historic</a>&nbsp;or&nbsp;famous</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="AK-47" title="AK-47">AK-47</a></li>
<li><a href="AR-15_style_rifle" class="mw-redirect" title="AR-15 style rifle">AR-15</a>
<ul><li><a href="M16" class="mw-redirect" title="M16">M16</a></li>
<li><a href="M4_carbine" title="M4 carbine">M4</a></li></ul></li>
<li><a href="Antique_firearms" title="Antique firearms">Antique firearms</a></li>
<li><a href="Barrett_M82" title="Barrett M82">Barrett M82</a></li>
<li><a href="Gatling_gun" title="Gatling gun">Gatling gun</a></li>
<li><a href="Winchester_rifle" title="Winchester rifle">Winchester rifle</a></li>
<li><a href="Browning_machine_gun" title="Browning machine gun">Browning machine gun</a></li>
<li><a href="M1_Garand" title="M1 Garand">M1 Garand</a></li>
<li><a href="Mauser_rifles" class="mw-redirect" title="Mauser rifles">Mauser rifles</a></li>
<li><a href="TEC-9" title="TEC-9">TEC-9</a></li>
<li><a href="Thompson_submachine_gun" title="Thompson submachine gun">Tommy Gun</a></li>
<li><a href="MP_40" title="MP 40">MP 40</a></li>
<li><a href="MAC-10" title="MAC-10">MAC-10</a></li>
<li><a href="Uzi" title="Uzi">Uzi</a></li>
<li><a href="Colt_Single_Action_Army" title="Colt Single Action Army">Colt Peacemaker</a></li>
<li><a href="Calico_Light_Weapons_Systems" title="Calico Light Weapons Systems">Calico</a></li>
<li><a href="M1911" class="mw-redirect" title="M1911">M1911</a></li>
<li><a href="Glock" title="Glock">Glock</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Mechanics_and_components167" style="font-size:114%;margin:0 4em">Mechanics and components</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Gun_barrel" title="Gun barrel">Barrel</a>
<ul><li><a href="Feed_ramp" title="Feed ramp">Feed ramp</a></li>
<li><a href="Slug_barrel" title="Slug barrel">Slug</a></li>
<li><a href="Barrel_threads" title="Barrel threads">Threads</a></li>
<li><a href="Trunnion" title="Trunnion">Trunnion</a></li></ul></li>
<li><a href="Bayonet" title="Bayonet">Bayonet</a></li>
<li><a href="Belt_(firearms)" title="Belt (firearms)">Belt</a></li>
<li><a href="Blank-firing_adapter" title="Blank-firing adapter">Blank-firing adapter</a></li>
<li><a href="Breechblock" title="Breechblock">Breechblock</a></li>
<li><a href="Breechface" title="Breechface">Breechface</a></li>
<li><a href="Bolt_(firearms)" title="Bolt (firearms)">Bolt</a>
<ul><li><a href="Rotating_bolt" title="Rotating bolt">Rotating</a></li>
<li><a href="Telescoping_bolt" title="Telescoping bolt">Telescoping</a></li>
<li><a href="Flapper_locking" title="Flapper locking">Flapper</a></li>
<li><a href="Roller_locked" title="Roller locked">Roller</a></li>
<li><a href="Tilting_bolt" title="Tilting bolt">Tilting</a></li></ul></li>
<li><a href="Bump_stock" title="Bump stock">Bump stock</a></li>
<li><a href="Chamber_(firearms)" title="Chamber (firearms)">Chamber</a></li>
<li><a href="Cocking_handle" title="Cocking handle">Cocking handle</a></li>
<li><a href="Cylinder_(firearms)" title="Cylinder (firearms)">Cylinder</a></li>
<li><a href="Extractor_(firearms)" title="Extractor (firearms)">Extractor</a></li>
<li><a href="Firing_pin" title="Firing pin">Firing pin</a></li>
<li><a href="Flash_suppressor" title="Flash suppressor">Flash suppressor</a></li>
<li><a href="Fluting_(firearms)" title="Fluting (firearms)">Fluting</a></li>
<li><a href="Forward_assist" title="Forward assist">Forward assist</a></li>
<li><a href="Freebore" title="Freebore">Freebore</a></li>
<li><a href="Forearm_(firearm_component)" title="Forearm (firearm component)">Forearm</a></li>
<li><a href="Vertical_forward_grip" title="Vertical forward grip">Foregrip</a></li>
<li><a href="Hammer_(firearms)" title="Hammer (firearms)">Hammer</a>
<ul><li><a href="Half-cock" title="Half-cock">Half-cock</a></li>
<li><a href="Hammer_(firearms)#Linear_hammer" title="Hammer (firearms)">Linear</a></li>
<li><a href="Hammer_(firearms)#Striker" title="Hammer (firearms)">Striker</a></li></ul></li>
<li><a href="Lock_(firearm)" title="Lock (firearm)">Lock</a>
<ul><li><a href="Flintlock" title="Flintlock">Flintlock</a></li>
<li><a href="Wheellock" title="Wheellock">Wheellock</a></li></ul></li>
<li><a href="Magazine_(firearms)" title="Magazine (firearms)">Magazine</a>
<ul><li><a href="Bottom_metal" title="Bottom metal">Bottom metal</a></li>
<li><a href="Clip_(firearms)" title="Clip (firearms)">Clip</a></li>
<li><a href="Drum_magazine" title="Drum magazine">Drum</a></li>
<li><a href="High-capacity_magazine" title="High-capacity magazine">High-capacity</a></li>
<li><a href="Speedloader" title="Speedloader">Speedloader</a></li>
<li><a href="Stripper_clip" title="Stripper clip">Stripper clip</a></li></ul></li>
<li><a href="Muzzle_brake" title="Muzzle brake">Muzzle brake</a></li>
<li><a href="Muzzle_shroud" title="Muzzle shroud">Muzzle shroud</a></li>
<li><a href="Pistol_grip" title="Pistol grip">Pistol grip</a></li>
<li><a href="Pistol_slide" title="Pistol slide">Pistol slide</a></li>
<li><a href="Rail_system_(firearms)" class="mw-redirect" title="Rail system (firearms)">Rail&nbsp;system</a></li>
<li><a href="Receiver_(firearms)" title="Receiver (firearms)">Receiver</a></li>
<li><a href="Recoil_pad" title="Recoil pad">Recoil pad</a></li>
<li><a href="Rim_(firearms)" title="Rim (firearms)">Rim</a></li>
<li><a href="Safety_(firearms)" title="Safety (firearms)">Safety</a></li>
<li><a href="Sear_(firearm)" title="Sear (firearm)">Sear</a>
<ul><li><a href="Auto_sear" title="Auto sear">Auto sear</a></li></ul></li>
<li><a href="Barrel_shroud" title="Barrel shroud">Shroud</a></li>
<li><a href="Silencer_(firearms)" title="Silencer (firearms)">Silencer</a></li>
<li><a href="Squeeze_bore" title="Squeeze bore">Squeeze bore</a></li>
<li><a href="Choke_(firearms)" title="Choke (firearms)">Choke</a></li>
<li><a href="Stock_(firearms)" title="Stock (firearms)">Stock</a></li>
<li><a href="Synchronization_gear" title="Synchronization gear">Synchronization gear</a></li>
<li><a href="Tapering_(firearms)" title="Tapering (firearms)">Tapering</a></li>
<li><a href="Trigger_(firearms)" title="Trigger (firearms)">Trigger</a>
<ul><li><a href="Trigger_guard" title="Trigger guard">guard</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="Sight_(device)" title="Sight (device)">Sights</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Diopter_sight" title="Diopter sight">Diopter</a></li>
<li><a href="Finderscope" title="Finderscope">Finderscope</a></li>
<li><a href="Globe_sight" title="Globe sight">Globe</a></li>
<li><a href="Holographic_weapon_sight" title="Holographic weapon sight">Holographic</a></li>
<li><a href="Iron_sights" title="Iron sights">Iron</a></li>
<li><a href="Laser_sight_(firearms)" class="mw-redirect" title="Laser sight (firearms)">Laser</a></li>
<li><a href="Reticle" title="Reticle">Reticle</a></li>
<li><a href="Reflex_sight" class="mw-redirect" title="Reflex sight">Reflex</a>
<ul><li><a href="Red_dot_sight" title="Red dot sight">Red&nbsp;dot</a></li></ul></li>
<li><a href="Sight_magnifier" title="Sight magnifier">Magnifier</a></li>
<li><a href="Scope_mount" title="Scope mount">Scope mount</a></li>
<li><a href="Tang_sight" title="Tang sight">Tang</a></li>
<li><a href="Telescopic_sight" title="Telescopic sight">Telescopic</a></li>
<li><a href="Night-vision_device" title="Night-vision device">Night&nbsp;vision</a></li>
<li><a href="Thermal_weapon_sight" title="Thermal weapon sight">Thermal</a></li>
<li><a href="Sighting_in" title="Sighting in">Zeroing</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Action_(firearms)" title="Action (firearms)">Actions</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Blowback_(firearms)" title="Blowback (firearms)">Blowback</a></li>
<li><a href="Blow-forward" class="mw-redirect" title="Blow-forward">Blow-forward</a></li>
<li><a href="Bolt_action" title="Bolt action">Bolt</a></li>
<li><a href="Boxlock_action" title="Boxlock action">Boxlock</a></li>
<li><a href="Breechloader" title="Breechloader">Breechloading</a></li>
<li><a href="Break_action" title="Break action">Break</a></li>
<li><a href="Open_bolt" title="Open bolt">Open bolt</a></li>
<li><a href="Closed_bolt" title="Closed bolt">Closed bolt</a></li>
<li><a href="Electronic_firing" title="Electronic firing">Electronic</a></li>
<li><a href="Gas-operated_reloading" title="Gas-operated reloading">Gas-operated</a></li>
<li><a href="Lever_action" title="Lever action">Lever</a></li>
<li><a href="Muzzleloader" title="Muzzleloader">Muzzleloading</a></li>
<li><a href="Out-of-battery" title="Out-of-battery">Out-of-battery</a></li>
<li><a href="Pump_action" title="Pump action">Pump</a></li>
<li><a href="Push_feed_and_controlled_feed" title="Push feed and controlled feed">Push/Controlled feed</a></li>
<li><a href="Recoil_operation" title="Recoil operation">Recoil-operated</a></li>
<li><a href="Repeating_firearm" title="Repeating firearm">Repeating</a></li>

<li><a href="Self-loading_rifle" title="Self-loading rifle">Self-loading</a></li>
<li><a href="Single-shot" title="Single-shot">Single-shot</a></li>
<li><a href="Slamfire" title="Slamfire">Slamfire</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Physics_of_firearms" title="Physics of firearms">Physics</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Ballistics" title="Ballistics">Ballistics</a>
<ul><li><a href="Ballistic_coefficient" title="Ballistic coefficient">Ballistic coefficient</a></li>
<li><a href="External_ballistics" title="External ballistics">External</a></li>
<li><a href="Terminal_ballistics" title="Terminal ballistics">Terminal</a></li>
<li><a href="Transitional_ballistics" title="Transitional ballistics">Transitional</a></li></ul></li>
<li><a href="Physics_of_firearms" title="Physics of firearms">Physics of firearms</a></li>
<li><a href="Rangefinder" title="Rangefinder">Rangefinding/keeping</a>
<ul><li><a href="Mathematical_discussion_of_rangekeeping" title="Mathematical discussion of rangekeeping">Mathematics</a></li>
<li><a href="Stadiametric_rangefinding" title="Stadiametric rangefinding">Stadiametric</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metrics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Accurizing" title="Accurizing">Accurizing</a></li>
<li><a href="Bore_axis" title="Bore axis">Bore axis</a></li>
<li><a href="Caliber" title="Caliber">Caliber</a></li>
<li><a href="Circular_error_probable" title="Circular error probable">Circular error probable</a></li>
<li><a href="Effective_range#Weapons" title="Effective range">Effective range</a></li>
<li><a href="Gauge_(firearms)" title="Gauge (firearms)">Gauge</a></li>
<li><a href="Gun_chronograph" title="Gun chronograph">Gun chronograph</a></li>
<li><a href="Gun_harmonisation" title="Gun harmonisation">Gun harmonisation</a></li>
<li><a href="Headspace_(firearms)" title="Headspace (firearms)">Headspace</a></li>
<li><a href="Length_of_pull" title="Length of pull">Length of pull</a></li>
<li><a href="Lock_time" title="Lock time">Lock time</a></li>
<li><a href="Match_grade" title="Match grade">Match grade</a></li>
<li><a href="Mean_time_between_failures" title="Mean time between failures">Mean time between failures</a></li>
<li><a href="Minute_and_second_of_arc#Firearms" title="Minute and second of arc">Minute of Angle (MOA)</a></li>
<li><a href="Muzzle_(firearms)" class="mw-redirect" title="Muzzle (firearms)">Muzzle</a>
<ul><li><a href="Muzzle_energy" title="Muzzle energy">Energy</a></li>
<li><a href="Muzzle_rise" title="Muzzle rise">Rise</a></li>
<li><a href="Muzzle_velocity" title="Muzzle velocity">Velocity</a></li></ul></li>
<li><a href="Penetration_(weaponry)" class="mw-redirect" title="Penetration (weaponry)">Penetration</a></li>
<li><a href="Power_factor_(shooting_sports)" title="Power factor (shooting sports)">Power&nbsp;factor</a></li>
<li><a href="Precision-guided_firearm" title="Precision-guided firearm">Precision-guided</a></li>
<li><a href="Rate_of_fire" title="Rate of fire">Rate of fire</a></li>
<li><a href="Recoil" title="Recoil">Recoil</a></li>
<li><a href="Shot_grouping" title="Shot grouping">Group</a></li>
<li><a href="Stock_(firearms)#Stock_measurements" title="Stock (firearms)">Stock measurements</a></li>
<li><a href="Stopping_power" title="Stopping power">Stopping power</a>
<ul><li><a href="Handgun_effectiveness" title="Handgun effectiveness">Handgun effectiveness</a></li></ul></li>
<li><a href="Rifling#Twist_rate" title="Rifling">Twist&nbsp;rate</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Shooting_and_ammunition56" style="font-size:114%;margin:0 4em"><a href="Shooting" title="Shooting">Shooting</a> and <a href="Ammunition" title="Ammunition">ammunition</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Gunshot" title="Gunshot">Gunshot</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Dry_fire" title="Dry fire">Dry fire</a></li>
<li><a href="Shooting" title="Shooting">Firing&nbsp;(Shooting)</a></li>
<li><a href="Gunshot" title="Gunshot">Gunshot</a></li>
<li><a href="Shootout" title="Shootout">Firefight</a></li>
<li><a href="Firearm_maintenance" title="Firearm maintenance">Maintenance</a>
<ul><li><a href="Field_strip" title="Field strip">Field strip</a></li>
<li><a href="Fouling" title="Fouling">Fouling</a></li></ul></li>
<li><a href="Firearm_malfunction" title="Firearm malfunction">Malfunction</a>
<ul><li><a href="Cooking_off" title="Cooking off">Cooking off</a></li>
<li><a href="Hang_fire" title="Hang fire">Hang fire</a></li>
<li><a href="Squib_load" title="Squib load">Squib load</a></li></ul></li>
<li><a href="Ricochet" title="Ricochet">Ricochet</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;">Ignition</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Fire_forming" title="Fire forming">Fire forming</a></li>
<li><a href="Obturation" title="Obturation">Obturation</a></li>
<li><a href="Primer_(firearms)" title="Primer (firearms)">Primer</a>
<ul><li><a href="Gunpowder" title="Gunpowder">Gunpowder</a></li>
<li><a href="Percussion_cap" title="Percussion cap">Percussion cap</a></li>
<li><a href="Rimfire_ammunition" title="Rimfire ammunition">Rimfire</a></li>
<li><a href="Tubes_and_primers_for_ammunition" class="mw-redirect" title="Tubes and primers for ammunition">Tubes and Primers</a></li></ul></li>
<li><a href="Firearm_propellant" title="Firearm propellant">Propellant</a>
<ul><li><a href="Ball_propellant" title="Ball propellant">Ball propellant</a></li>
<li><a href="Cordite" title="Cordite">Cordite</a></li>
<li><a href="Improved_military_rifle_powder" title="Improved military rifle powder">Improved Military Rifle</a></li>
<li><a href="Ramrod" title="Ramrod">Ramrod</a></li>
<li><a href="Smokeless_powder" title="Smokeless powder">Smokeless powder</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Ammunition" title="Ammunition">Ammunition</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Cannelure" title="Cannelure">Cannelure</a></li>
<li><a href="Dummy_round" title="Dummy round">Dummy round</a>
<ul><li><a href="Snap_cap" title="Snap cap">Snap cap</a></li></ul></li>
<li><a href="Flechette" title="Flechette">Flechette</a></li>
<li><a href="Gas_check" title="Gas check">Gas check</a></li>
<li><a href="Overpressure_ammunition" title="Overpressure ammunition">Overpressure ammunition</a></li>
<li><a href="Polymer-cased_ammunition" title="Polymer-cased ammunition">PCA</a></li>
<li><a href="Sabot_(firearms)" title="Sabot (firearms)">Sabot</a></li>
<li><a href="Wadding" title="Wadding">Wadding</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="Bullet" title="Bullet">Bullets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Armor-piercing_bullet" title="Armor-piercing bullet">Armour&nbsp;piercing</a></li>
<li><a href="Cast_bullet" title="Cast bullet">Cast</a></li>
<li><a href="Expanding_bullet" title="Expanding bullet">Expanding</a></li>
<li><a href="Full_metal_jacket_(ammunition)" title="Full metal jacket (ammunition)">Full metal jacket</a></li>
<li><a href="Frangible_bullet" title="Frangible bullet">Frangible</a></li>
<li><a href="Green_bullet" title="Green bullet">Green</a></li>
<li><a href="Incendiary_ammunition" title="Incendiary ammunition">Incendiary</a></li>
<li><a href="High-explosive_incendiary" title="High-explosive incendiary">High&nbsp;explosive</a></li>
<li><a href="High-explosive_incendiary/armor-piercing_ammunition" title="High-explosive incendiary/armor-piercing ammunition">HEIAP</a></li>
<li><a href="Projectile" title="Projectile">Projectile</a></li>
<li><a href="Raufoss_Mk_211" title="Raufoss Mk 211">Raufoss</a></li>
<li><a href="Round_shot" title="Round shot">Round shot</a></li>
<li><a href="Saboted_light_armor_penetrator" title="Saboted light armor penetrator">SLAP</a></li>
<li><a href="Soft-point_bullet" title="Soft-point bullet">Soft&nbsp;point</a></li>
<li><a href="Supercavitating_ammunition" class="mw-redirect" title="Supercavitating ammunition">Supercavitating</a></li>
<li><a href="Total_metal_jacket" title="Total metal jacket">Total metal jacket</a></li>
<li><a href="Tracer_ammunition" title="Tracer ammunition">Tracer</a></li>
<li><a href="Hollow-base_bullet" title="Hollow-base bullet">Hollow&nbsp;base</a></li>
<li><a href="Hollow-point_bullet" title="Hollow-point bullet">Hollow&nbsp;point</a></li>
<li><a href="Mini%C3%A9_ball" title="Minié ball">Minié</a></li>
<li><a href="Meplat" title="Meplat">Meplat</a></li>
<li><a href="Plastic-tipped_bullet" title="Plastic-tipped bullet">Plastic&nbsp;tipped</a></li>
<li><a href="Armour-piercing%2C_capped%2C_ballistic_capped_shell" title="Armour-piercing, capped, ballistic capped shell">ABCBC</a></li>
<li><a href="Snake_shot" title="Snake shot">Snake shot</a></li>
<li><a href="Spitzer_(bullet)" title="Spitzer (bullet)">Spitzer</a></li>
<li><a href="Very-low-drag_bullet" title="Very-low-drag bullet">VLD</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="Cartridge_(firearms)" title="Cartridge (firearms)">Cartridges</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Blank_(cartridge)" title="Blank (cartridge)">Blank</a></li>
<li><a href="Caseless_ammunition" title="Caseless ammunition">Caseless</a></li>
<li><a href="Centerfire_cartridge" class="mw-redirect" title="Centerfire cartridge">Centrefire</a></li>
<li><a href="Handloading" title="Handloading">Handloading</a></li>
<li><a href="Rifle_cartridge" title="Rifle cartridge">Rifle cartridge</a>
<ul><li><a href="Fully_powered_cartridge" title="Fully powered cartridge">Fully&nbsp;powered</a></li>
<li><a href="Intermediate_cartridge" title="Intermediate cartridge">Intermediate</a></li>
<li><a href="List_of_rifle_cartridges" title="List of rifle cartridges">list</a></li></ul></li>
<li><a href="Paper_cartridge" title="Paper cartridge">Paper</a></li>
<li><a href="Pinfire_cartridge" title="Pinfire cartridge">Pinfire</a></li>
<li><a href="Wildcat_cartridge" title="Wildcat cartridge">Wildcat</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Society,_safety,_industry,_and_laws133" style="font-size:114%;margin:0 4em"><a href="Gun_cultures" title="Gun cultures">Society</a>, <a href="Gun_safety" title="Gun safety">safety</a>, <a href="Firearm_industry" class="mw-redirect" title="Firearm industry">industry</a>,&nbsp;and&nbsp;<a href="Overview_of_gun_laws_by_nation" title="Overview of gun laws by nation">laws</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Gun_cultures" title="Gun cultures">Society</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Celebratory_gunfire" title="Celebratory gunfire">Celebratory gunfire</a></li>
<li><a href="Gun_ownership" title="Gun ownership">Civilian gun ownership</a>
<ul><li><a href="Percent_of_households_with_guns_by_country" title="Percent of households with guns by country">Household ownership rates</a></li></ul></li>
<li><a href="Exhibition_shooting" title="Exhibition shooting">Exhibition shooting</a></li>
<li><a href="Gun_cultures" title="Gun cultures">Gun cultures</a>
<ul><li><a href="Gun_culture_in_the_United_States" title="Gun culture in the United States">United&nbsp;States</a></li>
<li><a href="Gun_shows_in_the_United_States" title="Gun shows in the United States">Gun shows</a></li>
<li><a href="List_of_U.S._state_firearms" title="List of U.S. state firearms">State&nbsp;firearms</a></li></ul></li>
<li><a href="Hunting" title="Hunting">Hunting</a></li>
<li><a href="Jungle_style_(firearm_magazines)" class="mw-redirect" title="Jungle style (firearm magazines)"><i>Jungle style</i></a></li>
<li><a href="Pistol_duelling" class="mw-redirect" title="Pistol duelling">Pistol duelling</a></li>
<li><a href="Index_of_gun_politics_articles" title="Index of gun politics articles">Politics</a></li>
<li><a href="Shooting_sports" title="Shooting sports">Shooting sports</a>
<ul><li><a href="Civilian_Marksmanship_Program" title="Civilian Marksmanship Program">Civilian Marksmanship Program</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Gun_violence" title="Gun violence">Gun violence</a><br>and&nbsp;<a href="Gun_safety" title="Gun safety">safety</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Gun_violence_in_the_United_States" title="Gun violence in the United States">in the United States</a></li>
<li><a href="List_of_assassinations_by_firearm" title="List of assassinations by firearm">Assassinations</a></li>
<li><a href="List_of_countries_by_firearm-related_death_rate" class="mw-redirect" title="List of countries by firearm-related death rate">Deaths</a></li>
<li><a href="Forensic_firearm_examination" title="Forensic firearm examination">Forensics</a></li>
<li><a href="Gunfighter" title="Gunfighter">Gunfighter</a></li>
<li><a href="Gun_safety" title="Gun safety">Gun safety</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Firearm_industry" class="mw-redirect" title="Firearm industry">Firearm industry</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="3D_printed_firearm" class="mw-redirect" title="3D printed firearm">3D printed firearm</a>
<ul><li><a href="List_of_3D_printed_weapons_and_parts" class="mw-redirect" title="List of 3D printed weapons and parts">list</a></li></ul></li>
<li><a href="List_of_firearm_brands" title="List of firearm brands">Firearm&nbsp;brands</a></li>
<li>Firearms&nbsp;by&nbsp;country</li>
<li><a href="Gun_shop" title="Gun shop">Gun shops</a>
<ul><li>list</li></ul></li>
<li><a href="Gunsmith" title="Gunsmith">Gunsmith</a></li>
<li><a href="Improvised_firearm" title="Improvised firearm">Improvised firearm</a></li>
<li><a href="List_of_most-produced_firearms" title="List of most-produced firearms">Most-produced</a></li>
<li><a href="Privately_made_firearm" class="mw-redirect" title="Privately made firearm">Privately&nbsp;made</a></li>
<li><a href="Small_arms_trade" title="Small arms trade">Small arms trade</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Arms_control" title="Arms control">Arms control</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Arms_control" title="Arms control">Arms</a>&nbsp;and&nbsp;<a href="Gun_control" title="Gun control">Gun control</a>
<ul><li><a href="Disarmament" title="Disarmament">Disarmament</a></li>
<li><a href="Campaign_Against_Arms_Trade" title="Campaign Against Arms Trade">Campaign Against Arms Trade</a></li></ul></li>
<li><a href="Featureless_rifles" title="Featureless rifles">Featureless rifles</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Overview_of_gun_laws_by_nation" title="Overview of gun laws by nation">Gun laws</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Air_travel_with_firearms_and_ammunition" title="Air travel with firearms and ammunition">Air&nbsp;travel</a></li>
<li><a href="Assault_weapons" class="mw-redirect" title="Assault weapons">Assault weapons</a></li>
<li><a href="Concealed_carry" title="Concealed carry">Concealed carry</a>
<ul><li><a href="Concealed_carry_in_the_United_States" title="Concealed carry in the United States">in the U.S.</a></li></ul></li>
<li><a href="Firearms_license" title="Firearms license">License</a></li>
<li><a href="High-capacity_magazine_ban" title="High-capacity magazine ban">High-capacity magazine ban</a></li>
<li><a href="Right_to_keep_and_bear_arms" title="Right to keep and bear arms">Right to bear arms</a></li>
<li><a href="Small_Arms_and_Light_Weapons" class="mw-redirect" title="Small Arms and Light Weapons">Small&nbsp;Arms &amp; Light&nbsp;Weapons (SALW)</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;">United States Gun</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Gun_law_in_the_United_States" title="Gun law in the United States">Laws</a>&nbsp;(<a href="Gun_laws_in_the_United_States_by_state" title="Gun laws in the United States by state">by&nbsp;U.S.&nbsp;state</a>)</li>
<li><a href="Assault_weapons_legislation_in_the_United_States" title="Assault weapons legislation in the United States">Legislation</a></li>
<li><a href="Gun_politics_in_the_United_States" title="Gun politics in the United States">Politics</a></li>
<li><a href="Federal_Assault_Weapons_Ban" title="Federal Assault Weapons Ban">Federal Assault Weapons Ban</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>
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