NationMaster - Encyclopedia: Firearm action

In firearms terminology, an action is the system of operation that the firearm employs to seal the breech (in a breech-loading firearm), and to load consecutive rounds. Most commonly this is accomplished by means of a breechblock, which reciprocates in the receiver of the firearm. Important factors in the naming of a particular action type depends on how it gets its motive force (i.e. what energy is employed to operate), and how it locks the breech. An assortment of modern handheld firearms using fixed ammunition, including military assault rifles, a sporting shotgun (fourth from bottom), and a tactical shotgun (third from bottom). ... Breech may refer to: A breech birth The part of a firearm behind the barrel. ... A breechblock is the part of the firearm action that closes the breech at the moment of firing. ... In physics, a net force acting on a body causes that body to accelerate; that is, to change its velocity. ...

The following list shows most of the various types of breech-loading firearms that exist:

Recoil operation

Recoil operation is a type of locked-breech firearm actions used in automatic firearms. ... The M1911 is a single action, semi-automatic handgun, chambered for the . ... The CZ 75 is a semi-automatic handgun designed in 1975. ... Browning Hi-Power The Browning Hi-Power is based on a semi-automatic 9mm pistol conceived and patented in the United States in 1922 by American John Browning, who eventually took his ideas to Belgium and the arms manufacturer Fabrique Nationale de Herstal. ... USP family The Heckler und Koch USP (German universelle selbstladende Pistole, universal self-loading pistol) is a pistol designed by the German arms manufacturer Heckler und Koch. ... Glock is an Austrian defense contractor (named after the founder Gaston Glock) founded in 1963 in Deutsch-Wagram, near Vienna, Austria. ... This article is about the . ... The Maschinengewehr 42, or MG42 was a machine gun that was developed for and entered service with Germany in 1942, during World War II. The 7. ... M82A1 rifle The M82 rifle is a high-powered heavy sniper rifle developed by the American Barrett Firearms Company. ... Inertia action is a type of recoil operation used in heavily recoiling firearms, shotguns. ...

Blowback/forward

hgh Blowback is a system in which automatic or semi-automatic firearms operate through the energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge. ... An MP5A4 (fixed stock and 3-round burst trigger group A submachine gun is a firearm that combines the automatic fire of a machine gun with the ammunition of a pistol, and is usually between the two in weight and size. ... The MP18 was a submachine gun used by the German Army during World War I. Produced from 1916 to 1945, it and its derivatives were also later used in World War II. History In 1915 the German Rifle Testing Commission at Spandau decided to develop a new weapon for trench... Maschinenpistole 40 Nationality Germany Type Submachine gun Inventor Erma Werk Date of design 1938 Service duration 1939-1945 Cartridge 9 x 19 mm Action Blowback Rate of fire 500 rpm Muzzle velocity ~380 mps Effective range ~ 100 m Weight (Unloaded) 3. ... The Uzi is a compact, boxy, light-weight submachine gun. ... The Heckler & Koch UMP (Universal Machinenpistole) is a firearm, a submachine gun that was designed as a cheaper replacement for the MP5. ... This article needs to be cleaned up to conform to a higher standard of quality. ...

Delayed Blowback

Roller-delayed blowback is a firearm operating principle, a refined form of blowback. ... Heckler & Koch G41 Heckler & Koch GmbH (H&K) (pronounced //) is a German weapons manufacturing company famous for various series of small firearms, notably the MP5 submachine gun, the MP7 personal defense weapon, the high-precision sniper rifle PSG1, and the G3 and G36 assault rifles. ... The Heckler und Koch G3 The G3 (G3A3) series battle rifle is manufactured by Heckler und Koch. ... The MP5 is a submachine gun, developed by German weapons designer Heckler und Koch (HK) in the 1960s. ... The HK P9 is a polymer frame pistol available from Heckler & Koch in both . ... This article or section seems not to be written in the formal tone expected of an encyclopedia entry. ... Gas-delayed blowback (also called gas-retarded blowback) is a firearm operating principle (not to be confused with gas-operated). ... The Heckler & Koch P7 is a 9 mm automatic pistol. ... Blowback is a system in which automatic or semi-automatic firearms operate through the energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge. ... The FAMAS (Fusil dAssaut de la Manufacture dArmes de St-Etienne, Assault Rifle by St-Etienne Arms Factory) is an assault rifle in bullpup configuration designed and manufactured in France by the Saint Ã‰tienne arms factory, which is a member of the French government-owned GIAT Industries complex. ... The Blish Lock is a friction-lock designed by John Bell Blish, that takes advantage of the fact that under extreme pressures, certain dissimilar materials will resist movement through friction greater than normal friction laws would predict. ... Thompson M1A1, with 30-round detachable box-type magazine The Thompson, also known as the Tommy Gun, was a family of American submachine guns that became infamous during the Prohibition era. ... In physics, a force is anything that causes a free body with mass to accelerate. ... M1901 Mannlicher Self-Loading, Semi-Automatic Pistol // General features This pistol is one of the most simple of blow-back semi-automatic pistols ever designed. ... Model 51 Type Pocket Pistol Nationality America Era Early 20th Century History Date of design {{{date}}} Production period {{{prod_date}}} Service duration {{{serv_date}}} Operators George S. Patton War service WW II (Informal) Specifications Type Pistol Calibre 380 ACP / 32 ACP Barrel length {{{barrel}}} Ammunition Round-Nosed only Magazine Box Action Semi...

Gas-actuated

The gas-operated system for implementing automatic reloading of a firearm is one of five such systems, the others being recoil-operated, gatling, chain, and blowback. ... Avtomat Kalashnikova model 1947 g. ... The Fusil Automatique Leger, or Light Automatic Rifle (LAR). ... The AR-18 is an assault rifle chambered in 5. ... H&K G36 The Heckler und Koch Gewehr Model 36 (company designation G36, Bundeswehr designation ) is a modular weapon system designed in West Germany in the 1980s and 1990s. ... The XM8 is the project name for a lightweight, compact assault rifle under development by the German small arms manufacturer Heckler und Koch (H&K) on behalf of the US Army. ... Caliber: 4. ... British soldier with L85 in the 1991 Gulf War British soldier with L85 SA80 (Small Arms for 1980s) is a family of related arms that include the British Armed Forcess standard combat rifle. ... The SKS is a Russian semi-automatic carbine, designed in 1945 by Sergei Gavrilovich Simonov. ... The M1 Garand (more formally the United States Rifle, Caliber . ... A gas-operated firearm that uses direct impingement is a firearm where gas from a fired catridge is routed directly to bolt carrier or slide assembly to cycle the action in the firearm. ... The AR-15 is a lightweight, magazine-fed, autoloading centerfire rifle designed by Eugene Stoner of the ArmaLite corporation who developed it as a smaller-caliber version of the AR-10. ... M16 is the U.S. Military designation for a family of rifles derived from the ArmaLite AR-15. ... A AG-42B Ljungman rifle pictured on top, then a Hakim rifle, and a Rasheed carbine below The AutomatgevÃ¤r m/42 (Ag m/42), commonly known as the AG42, the AG-42 or the Ljungman, is a Swedish semi-automatic rifle. ...

Manually operated magazine fed breech loader

An M16 magazine. ... An interrupted screw style breech plug in the M109 howitzer A breech-loading weapon, usually a gun or cannon, is one where the bullet or shell is inserted or loaded into the gun at the rear of the barrel, or breech; the opposite of muzzle-loading. ... A lever-action is a type of firearm which uses a lever located around the trigger guard area (often including the trigger guard itself) to load fresh cartridges into the chamber of the barrel when the lever is cranked. The most famous of such lever-action firearms is the Winchester... A pump-action rifle or shotgun is one in which the fore-end of the stock can be pumped back and forth in order to eject and chamber a round of ammunition. ... A bolt-action firearm is one that is manually operated (i. ...

Manually operated single-shot cartridge loading

Single shot pistols have existed since the early years of firearms. ... Rimmed, centerfire . ... A falling block rifle or a falling-block action rifle is a single-shot rifle with a particular type of the manual firearm action in which a solid metal breechblock slides vertically in grooves cut into the breech of the rifle and actuated by a lever. ... The Berdan Sharps rifle was a sliding block rifle used during and after the American Civil War. ... Sturm, Ruger & Company is a Connecticut-based manufacturing company composed of three divisions: Ruger Firearms, Ruger Investment Castings, and Ruger Golf. ... The Remington M1867 was a typical rolling block rifle A rolling block is a form of firearm action where the sealing of the breech is done with a specially shaped breechblock able to rotate on a pin. ... Thompson Center Arms is an American firearms company based in Rochester, New Hampshire. ...

Breech loading single-shot without cartridge

An interrupted screw style breech plug in the M109 howitzer A breech-loading weapon, usually a gun or cannon, is one where the bullet or shell is inserted or loaded into the gun at the rear of the barrel, or breech; the opposite of muzzle-loading. ... Single shot pistols have existed since the early years of firearms. ... Rimmed, centerfire . ... The Kammerlader, or chamber loader, was the first Norwegian breech loading rifle, and among the very first breech loaders adopted for use by an armed force anywhere in the world. ...

Muzzle loading rifles

A muzzleloader is any firearm into which the bullet is loaded from the muzzle of the gun. ... A rifle is a firearm with a stock and a barrel that has a spiral groove or grooves (rifling) cut into its interior. ... The Matchlock was the first firearm to have a trigger mechanism for firing. ... Japanese arquebus of the Edo era (teppo) The Arquebus (sometimes spelled harquebus or hackbut) was a primitive firearm used in the 15th to 17th centuries. ... Snaphance refers to a method of igniting a bullets propellant in a loaded gun. ... French courtier Marin le Bourgeoys made the first firearm incoporating a true flintlock mechanism for King Louis XIII shortly after his accession to the throne in 1610. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

External power

A 1865 Gatling gun. ... The gas-operated system for implementing automatic reloading of a firearm is one of five such systems, the others being recoil-operated, gatling, chain, and blowback. ... The M242 25mm Chain gun A chain gun is a type of machine gun or autocannon that uses an external source of power, rather than recoil, to cycle the weapon. ...

Locking mechanisms

Category: Firearm actions Rotating bolt of a Sig 550 rifle. ... The M1 Garand (more formally the United States Rifle, Caliber . ... The M1 Carbine (formally the United States Carbine, Caliber . ... M16 is the U.S. Military designation for a family of rifles derived from the ArmaLite AR-15. ... H&K G36 The Heckler und Koch Gewehr Model 36 (company designation G36, Bundeswehr designation ) is a modular weapon system designed in West Germany in the 1980s and 1990s. ... Avtomat Kalashnikova model 1947 g. ... AK74 assault rifle The AK-74 assault rifle is the modernized version of the AK-47 developed in 1974, chambered in a smaller cartridge (5. ... The M1941 Rifle is an American semi-automatic rifle. ... The Maschinengewehr 42, or MG42 was a machine gun that was developed for and entered service with Germany in 1942, during World War II. The 7. ... MG74 of the Austrian Bundesheer (another MG42 offspring) The MG3 is an air-cooled, belt-fed multi-use machine gun manufactured by the German firm Rheinmetall. ... The Fusil Automatique Leger, or Light Automatic Rifle (LAR). ... The FN MAG is a machine gun manufactured by Fabrique Nationale (FN), Belgium. ... The Maschinenpistole 43, Maschinenpistole 44 and Sturmgewehr 44 (MP43, MP44 and StG44 respectively) were names for a light automatic rifle developed for Germany during World War II as part of the Maschinenkarabiner (machine carbine) program, and developed from the Mkb 42(H). ... M1900 American Eagle Commercial A Luger (Pistole Parabellum), is an toggle lock pistol based on principles by Hiram Maxim. ... Wikimedia Commons has media related to: Walther P38 The Walther P38 is a 9 mm pistol that was issued to NCOs and officers of the Wehrmacht near the end of World War II. It replaced the costly Luger P08. ... The Beretta 92SB-F (later renamed Beretta 92F), Beretta 92FS, Beretta 92G, and Beretta 92FS Inox are a series of semi-automatic, locked-breech delayed recoil operated, double/single action pistols, chambered for the 9 mm Parabellum cartridge, designed and manufactured by Beretta. ...

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