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Self-loading
A semi-automatic firearm, also called a self-loading or autoloading firearm (automatic firearm, fully automatic and selective fire firearms are also variations on repeating firearm#Autoloading, self-loading firearms), is a repeating firearm whose firearm action, action mechanism automatically loads a following round of cartridge (firearms), cartridge into the chamber (firearms), chamber and prepares it for subsequent firing, but requires the shooter to manually actuate the Trigger (firearms), trigger in order to discharge each shot. Typically, this involves the weapon's action utilizing the excess energy released during the preceding shot (in the form of recoil or high-pressure gas expanding within the gun barrel#Bore, bore) to unlock and move the bolt (firearms), bolt, extracting and ejecting the spent cartridge case from the chamber, re-cocking the firing mechanism, and loading a new cartridge into the firing chamber, all without input from the user. To fire again, however, the ...
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Semi-automatic Rifle
A semi-automatic rifle is a type of rifle that fires a single round each time the Trigger (firearms), trigger is pulled while automatically loading the next Cartridge (firearms), cartridge. These rifles were developed Pre-World War II, and were used throughout World War II. Rifles are firearms designed to be fired while held with both hands and braced against the shooter's shoulder for stability. Externally similar shotguns can fire multiple Shot (pellet), pellets simultaneously through a smoothbore, while rifle Gun barrel, barrels are Rifling, rifled to spin-stabilize individual bullets. The actions of semi-automatic rifles use a portion of the fired cartridge's energy to eject the spent casing and load a new round into the Chamber (firearms), chamber, readying the rifle to be fired again. This design differs from manually operated rifles such as Bolt action, bolt-action and Lever action, lever-action rifles, which need to chamber a cartridge manually before firing again, and ...
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Repeating Firearm
A repeating firearm or repeater is any firearm (either a handgun or long gun) that is designed for multiple, repeated firings before the gun has to be reloaded with new ammunition. Unlike single-shot firearms, which can only hold and fire a single round of ammunition, a repeating firearm can store multiple cartridge (firearms), cartridges inside a magazine (firearms), magazine (as in pistols, rifles, or shotguns), a cylinder (firearms), cylinder (as in revolvers), or a belt (firearms), belt (as in machine guns), and uses a moving action (firearms), action to manipulate each cartridge into and out of the battery position (within the chamber (firearms), chamber and in alignment with the gun barrel#Bore, bore). This allows the weapon to be discharged repeatedly in relatively quick succession, before manually reloading the ammunition is needed. Typically the term "repeaters" refers to the more ubiquitous single-gun barrel, barreled variants. Multiple-barrel firearms such as derringe ...
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Semi-automatic Pistol
A semi-automatic pistol (also called a self-loading pistol, autopistol, or autoloading pistol) is a repeating firearm, repeating handgun that automatically ejects and loads cartridge (firearms), cartridges in its chamber (firearms), chamber after every shot fired, but only one round of ammunition is fired each time the Trigger (firearms), trigger is pulled. The pistol's fire control group disconnects the trigger mechanism from the firing pin/striker until the trigger has been released and reset manually, unlike the self-cycled firing mechanism in machine pistol, fully automatic pistols. A semi-automatic pistol recycles part of the energy released by the propellant combustion to move its bolt (firearm), bolt, which is usually housed inside the pistol slide, slide. After a round of ammunition is fired, the spent cartridge casing is extracted and ejected as the slide/bolt moves rearwards under recoil, the hammer (firearms), hammer/striker is cocked by the slide/bolt movement, and a ...
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M1911
The Colt M1911 (also known as 1911, Colt 1911, Colt .45, or Colt Government in the case of Colt-produced models) is a single-action, recoil-operated, semi-automatic pistol chambered primarily for the .45 ACP cartridge. History Early history and adaptations The M1911 pistol originated in the late 1890s as the result of a search for a suitable self-loading (or semi-automatic) pistol to replace the variety of revolvers in service at the time. The United States was adopting new firearms at a phenomenal rate; several new pistols and two all-new service rifles ( M1892/96/98 Krag and M1895 Navy Lee), as well as a series of revolvers by Colt and Smith & Wesson for the Army and Navy, were adopted just in that decade. The next decade would see a similar pace, including the adoption of several more revolvers and an intensive search for a self-loading pistol that would culminate in the official adoption of the M1911 after the turn of the decade. Hiram S. Maxim had designed a self- ...
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Steyr Mannlicher M1894
The Mannlicher M1894 was an early blow-forward semi-automatic pistol. General features The earliest Ferdinand Mannlicher pistol, manufactured by Fabrique D'Armes de Neuhausen, Switzerland, was designed to be self-loading and to use a special rimmed cartridge in 6.5 mm caliber. The design represented an entirely new utilization of mechanical principles in automatic action called "blow-forward action". In the standard type of automatic action for low-powered cartridges, the recoil (or blow-back) is utilized to drive back a movable breech face or block, but Mannlicher utilized the principle of a rigid standing breech with the barrel blowing forward to extract, eject, and prepare for reloading. A special barrel housing which carries the sight covers the entire length of the barrel (6.49 in/165 mm) when the arm is closed. A heavy recoil spring is mounted concentrically around the barrel within this housing and is compressed between a shoulder at the forward end of ...
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Automatic Firearm
An automatic firearm or fully automatic firearm (to avoid confusion with semi-automatic firearms) is a self-loading firearm that continuously Chamber (firearms), chambers and fires Cartridge (firearms), rounds when the trigger (firearms), trigger mechanism is actuated. The action (firearms), action of an automatic firearm is capable of harvesting the excess energy released from a previous discharge to feed a new ammunition cartridge (firearms), round into the chamber (firearms), chamber, and then igniting the propellant and discharging the projectile (either bullet, shot (pellet), shot, or shotgun slug, slug) by delivering a hammer (firearms), hammer or firing pin, striker impact on the primer (firearms), primer. If ''both'' the feeding and ignition procedures are automatically cycled, the weapon will be considered "fully automatic" and will fire continuously as long as the trigger is kept depressed and the ammunition feeding (either from a magazine (firearms), magazine or a belt ...
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Firearm Action
In firearms terminology, an action is the functional mechanism of a breechloading firearm that handles (loads, locks, fires, extracts, and ejects) the ammunition cartridges, or the method by which that mechanism works. Actions are technically not present on muzzleloaders, as all those are single-shot firearms with a closed off breech with the powder and projectile manually loaded from the muzzle. Instead, the muzzleloader ignition mechanism is referred to as the ''lock'' (e.g. matchlock, wheellock, flintlock, and caplock). Actions can be categorized in several ways, including single action versus double action, break action versus lever-action, pump-action, bolt-action, among many other types. The term action can also include short, long, and magnum if it is in reference to the length of the rifle's receiver and the length of the bolt. The short action rifle usually can accommodate a cartridge length of or smaller. The long action rifle can accommodate a cartridge of ...
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Bolt (firearms)
Bolt from a Karabiner 98k bolt-action rifle. Note the curved handle on the side for manual operation thumb"> Slide locked back on a Desert Eagle pistol, showing the gas-operated rotating bolt mechanism A bolt is the part of a repeating, breechloading firearm that blocks the rear opening (breech) of the barrel chamber while the propellant burns, and moves back and forward to facilitate loading/unloading of cartridges from the magazine. The firing pin and extractor are often integral parts of the bolt. The terms " breechblock" and "bolt" are often used interchangeably or without a clear distinction, though usually, a bolt is a type of breechblock that has a nominally circular cross-section. In most automatic firearms that use delayed blowback, recoil, or gas operation, the bolt itself is housed within the larger bolt carrier group (BCG), which contains additional parts that receives rearward push from a gas tube ( direct impingement) or a gas piston (short-stroke o ...
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Ferdinand Ritter Von Mannlicher
Ferdinand Ritter von Mannlicher (January 30, 1848 – January 20, 1904) was an Austrian engineer and small arms designer. Along with James Paris Lee, Mannlicher was particularly noted for inventing the en-bloc clip charger-loading box magazine system. Later, while making improvements to other inventors' prototype designs for rotary-feed magazines, Mannlicher, together with his protégé Otto Schönauer, patented a perfected rotary magazine design, the Mannlicher–Schönauer rifle, which was a commercial and military success. Life A scion of a long-established bourgeois family originating from Most () in Bohemia, Mannlicher was born in the German city of Mainz, where his father served as an Austrian '' k.k.'' official in the Austrian garrison at the Confederation Fortress. He returned to the Josefstadt district of Vienna with his parents in 1857, and after receiving his ''Matura'' high-school exam attended the Vienna University of Technology. He started his professional c ...
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John Browning
John Moses Browning (January 23, 1855 – November 26, 1926) was an American firearm designer who developed many varieties of military and civilian firearms, cartridges, and gun mechanisms, many of which are still in use around the world. He made his first firearm at age 13 in his father's gun shop and was awarded the first of his 128 firearm patents on October 7, 1879, at the age of 24. He is regarded as one of the most successful firearms designers of the 19th and 20th centuries and a pioneer of modern repeating, semi-automatic, and automatic firearms. Browning influenced nearly all categories of firearms design, especially the autoloading of ammunition. He invented, or made significant improvements to, single-shot, lever-action, and pump-action rifles and shotguns. He developed the first reliable and compact autoloading pistols by inventing the telescoping bolt, then integrating the bolt and barrel shroud into what is known as the pistol slide. Browning's telescoping b ...
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Cartridge (firearms)
A cartridge, also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile ( bullet, shot, or slug), a propellant substance ( smokeless powder, black powder substitute, or black powder) and an ignition device ( primer) within a metallic, paper, or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for convenient transportation and handling during shooting. Although in popular usage the term "bullet" is often used to refer to a complete cartridge, the correct usage only refers to the projectile. Military and commercial producers continue to pursue the goal of caseless ammunition. Some artillery ammunition uses the same cartridge concept as found in small arms. In other cases, the artillery shell is separate from the propellant charge. A cartridge without a projectile is called a '' blank''; one that is completely inert (contains no active primer and no propellant) is called a '' dummy''; one that ...
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Stripper Clip
A stripper clip (also known as a charger or charger clip, especially in Commonwealth English military vocabulary) is a speedloader that holds several cartridges (usually between 5 and 10) together in a single unit for easier and faster loading of a firearm magazine. Stripper clips were originally employed in infantry bolt-action rifles, such as the Russian Mosin–Nagant, the British Lee–Enfield, and the German Mauser Model 1889, Gewehr 98, and its variant the Karabiner 98k, the related American M1903 Springfield and M1917 Enfield, Swiss K31, and many others. Stripper clips were also employed in newer, semi-automatic rifles with internal box magazines, such as the Soviet SKS and the Egyptian Hakim Rifle. Semi and full automatic firearms using both stripper feed inserts and detatchable box magazines are the Canadian (FNC1A1) version of the L1A1 self-loading rifle, the US OA-96 carbine and T48 rifles and the Chinese Type 63 and Type 81 assault rifles. Current ...
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