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Closed bolt

Index Closed bolt

A semi or full-automatic firearm which is said to fire from a closed bolt is one where, when ready to fire, a round is in the chamber and the bolt and working parts are forward. [1]

44 relations: Action (firearms), AK-47, Automatic rifle, Bolt (firearms), Cartridge (firearms), Central Powers, Chamber (firearms), Cooking off, Dissipation, FG 42, Firearm, Firing pin, FN F2000, FN SCAR, General-purpose machine gun, Heckler & Koch G3, Heckler & Koch G36, Heckler & Koch HK21, Heckler & Koch MP5, Heckler & Koch UMP, Lewis gun, LWRC M6, M16 rifle, M1895 Colt–Browning machine gun, M1941 Johnson machine gun, M2 Browning, Machine gun, Magazine (firearms), Maxim gun, Mendoza HM-3, MG 08, MG 131 machine gun, MG 17 machine gun, Open bolt, Parabellum MG 14, Rifle, Semi-automatic firearm, Silencer (firearms), Spectre M4, Steyr AUG, Triple Entente, United States Army Air Service, Vickers machine gun, World War I.

Action (firearms)

In firearms terminology, an action is the mechanism that handles the ammunition (loads, locks, fires, extracts and ejects) or the method by which that mechanism works.

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AK-47

The AK-47, or AK as it is officially known, also known as the Kalashnikov, is a gas-operated, 7.62×39mm assault rifle, developed in the Soviet Union by Mikhail Kalashnikov.

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Automatic rifle

An automatic rifle is a type of self-loading rifle that is capable of automatic fire.

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Bolt (firearms)

A bolt is the part of a repeating, breech-loading firearm that blocks the rear of the chamber while the propellant burns and moves to facilitate loading of cartridges from the magazine.

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Cartridge (firearms)

A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder 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 the practical purpose of convenient transportation and handling during shooting.

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Central Powers

The Central Powers (Mittelmächte; Központi hatalmak; İttifak Devletleri / Bağlaşma Devletleri; translit), consisting of Germany,, the Ottoman Empire and Bulgaria – hence also known as the Quadruple Alliance (Vierbund) – was one of the two main factions during World War I (1914–18).

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Chamber (firearms)

In firearms, the chamber is the portion of the barrel or firing cylinder in which the cartridge is inserted before being fired.

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Cooking off

Cooking off (or thermally induced firing) is ammunition exploding prematurely due to heat in the surrounding environment.

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Dissipation

Dissipation is the result of an irreversible process that takes place in homogeneous thermodynamic systems.

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FG 42

The FG 42 (German: Fallschirmjägergewehr 42, "paratrooper rifle 42") is a selective-fire automatic rifle produced in Nazi Germany during World War II.

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Firearm

A firearm is a portable gun (a barreled ranged weapon) that inflicts damage on targets by launching one or more projectiles driven by rapidly expanding high-pressure gas produced by exothermic combustion (deflagration) of propellant within an ammunition cartridge.

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Firing pin

A firing pin or striker is part of the firing mechanism used in a firearm or explosive device e.g. an M14 landmine or bomb fuze.

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FN F2000

The FN F2000 is a 5.56×45mm NATO bullpup assault rifle, designed by FN Herstal in Belgium.

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FN SCAR

The FN SCAR (Fabrique Nationale Special Operations Forces Combat Assault Rifle) is a gas-operated (short-stroke gas piston) self-loading rifle with a rotating bolt.

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General-purpose machine gun

A general-purpose machine gun (GPMG) is an air-cooled, fully automatic weapon that can be adapted to light machine gun and medium machine gun roles.

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Heckler & Koch G3

The Heckler & Koch G3 is a 7.62×51mm NATO, select-fire battle rifle developed in the 1950s by the German armament manufacturer Heckler & Koch (H&K) in collaboration with the Spanish state-owned design and development agency CETME (Centro de Estudios Técnicos de Materiales Especiales).

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Heckler & Koch G36

The G36 is a 5.56×45mm assault rifle, designed in the early 1990s by Heckler & Koch in Germany as a replacement for the heavier 7.62mm G3 battle rifle.

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Heckler & Koch HK21

The HK21 is a German 7.62 mm general-purpose machine gun, developed in 1961 by small arms manufacturer Heckler & Koch and based on the G3 battle rifle.

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Heckler & Koch MP5

The Heckler & Koch MP5 (from Maschinenpistole 5, meaning Submachine gun 5) is a 9mm submachine gun, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH (H&K) of Oberndorf am Neckar.

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Heckler & Koch UMP

The Heckler & Koch UMP (Universale Maschinenpistole, German for "Universal Submachine Gun") is a submachine gun developed and manufactured by Heckler & Koch.

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Lewis gun

The Lewis gun (or Lewis automatic machine gun or Lewis automatic rifle) is a First World War-era light machine gun of US design that was perfected and mass-produced in the United Kingdom, and widely used by British and British Empire troops during the war.

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LWRC M6

The M6 is a series of carbines designed and manufactured by LWRC International.

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M16 rifle

The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a United States military adaptation of the ArmaLite AR-15 rifle.Kern, Danford Allan (2006).. m-14parts.com. A thesis presented to the Faculty of the US Army Command and General Staff College in partial fulfillment of the requirements for the degree MASTER OF MILITARY ART AND SCIENCE, Military History. Fort Leavenworth, KansasKokalis, Peter G.. Nodakspud.com The original M16 was a selective fire 5.56mm rifle with a 20-round magazine. In 1964, the M16 entered U.S. military service and the following year was deployed for jungle warfare operations during the Vietnam War. In 1969, the M16A1 replaced the M14 rifle to become the U.S. military's standard service rifle.Ezell, Edward Clinton (1983). Small Arms of the World. New York: Stackpole Books. pp. 46–47..Urdang, p. 801. The M16A1 improvements include a bolt-assist, chrome plated bore and a new 30-round magazine. In 1983, the U.S. Marine Corps adopted the M16A2 rifle and the U.S. Army adopted it in 1986. The M16A2 fires the improved 5.56×45mm NATO (M855/SS109) cartridge and has a new adjustable rear sight, case deflector, heavy barrel, improved handguard, pistol grip and buttstock, as well as a semi-auto and three-round burst only fire selector. Adopted in 1998, the M16A4 is the fourth generation of the M16 series.Weapons of the Modern Marines, by Michael Green, MBI Publishing Company, 2004, page 16 It is equipped with a removable carrying handle and Picatinny rail for mounting optics and other ancillary devices. The M16 has also been widely adopted by other militaries around the world. Total worldwide production of M16s has been approximately 8 million, making it the most-produced firearm of its 5.56 mm caliber. The U.S. Military has largely replaced the M16 in combat units with a shorter and lighter version named the M4 carbine.

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M1895 Colt–Browning machine gun

The Colt–Browning M1895, nicknamed "potato digger" because of its unusual operating mechanism, is an air-cooled, belt-fed, gas-operated machine gun that fires from a closed bolt with a cyclic rate of 450 rounds per minute.

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M1941 Johnson machine gun

The M1941 Johnson Light Machine Gun, also known as the Johnson and the Johnny gun, was an American recoil-operated light machine gun designed in the late 1930s by Melvin Johnson.

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M2 Browning

The M2 Machine Gun or Browning.50 Caliber Machine Gun is a heavy machine gun designed toward the end of World War I by John Browning.

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Machine gun

A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in rapid succession from an ammunition belt or magazine, typically at a rate of 300 rounds per minute or higher.

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Magazine (firearms)

A magazine is an ammunition storage and feeding device within or attached to a repeating firearm.

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Maxim gun

The Maxim gun was a weapon invented by American-born British inventor Hiram Stevens Maxim in 1884: it was the first recoil-operated machine gun in production.

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Mendoza HM-3

The HM-3 is a submachine gun of Mexican origin chambered in the 9mm calibre and, since 2011, in.380 ACP caliber for private security forces, from a magazine fed from the grip, much like the Uzi.

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MG 08

The Maschinengewehr 08, or MG 08, was the German Army's standard machine gun in World War I and is an adaptation of Hiram S. Maxim's original 1884 Maxim gun.

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MG 131 machine gun

The MG 131 (shortened from German: Maschinengewehr 131, or "Machine gun 131") was a German 13 mm caliber machine gun developed in 1938 by Rheinmetall-Borsig and produced from 1940 to 1945.

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MG 17 machine gun

The MG 17 was a 7.92 mm machine gun produced by Rheinmetall-Borsig for use at fixed mountings in many World War II Luftwaffe aircraft, typically as forward-firing offensive armament.

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Open bolt

A semi or fully automatic firearm is said to fire from an open bolt if, when ready to fire, the bolt and working parts are held to the rear of the receiver, with no round in the chamber.

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Parabellum MG 14

The Parabellum MG14 was a 7.9 mm caliber World War I machine gun built by Deutsche Waffen und Munitionsfabriken.

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Rifle

A rifle is a portable long-barrelled firearm designed for precision shooting, to be held with both hands and braced against the shoulder for stability during firing, and with a barrel that has a helical pattern of grooves ("rifling") cut into the bore walls.

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Semi-automatic firearm

A semi-automatic firearm, or self-loading firearm, is one that not only fires a bullet each time the trigger is pulled, but also performs all steps necessary to prepare it to discharge again—assuming cartridges remain in the firearm's feed device.

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Silencer (firearms)

A silencer, suppressor, sound suppressor, or sound moderator is a device that reduces the sound intensity and muzzle flash when a firearm or air gun is discharged.

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Spectre M4

The Spectre M4 is an Italian submachine gun that was produced by the SITES factory in Turin.

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Steyr AUG

The Steyr AUG (Armee-Universal-Gewehr—"universal army rifle") is an Austrian 5.56×45mm NATO bullpup assault rifle, designed in the 1960s by Steyr-Daimler-Puch and now manufactured by Steyr Mannlicher GmbH & Co KG.

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Triple Entente

The Triple Entente (from French entente "friendship, understanding, agreement") refers to the understanding linking the Russian Empire, the French Third Republic, and the United Kingdom of Great Britain and Ireland after the signing of the Anglo-Russian Entente on 31 August 1907.

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United States Army Air Service

The United States Army Air ServiceCraven and Cate Vol.

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Vickers machine gun

The Vickers machine gun or Vickers gun is a name primarily used to refer to the water-cooled.303 British (7.7 mm) machine gun produced by Vickers Limited, originally for the British Army.

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World War I

World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

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Closed-bolt.

References

[1] https://en.wikipedia.org/wiki/Closed_bolt

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