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Charging handle being pulled on an M2 machine gun. The cocking handle, also known as charging handle or bolt handle, is a device on a firearm which, when manipulated, results in the bolt being pulled to the rear, putting the hammer/striker into a spring-loaded ("cocked") "ready and set" position, allowing the operator to open the breech and eject any spent/unwanted cartridge/shell from the ...
Hammer (firearms) Hammer uncocked (top). Hammer cocked (bottom). The hammer is a part of a firearm that is used to strike the percussion cap / primer, or a separate firing pin, [1] to ignite the propellant and fire the projectile. It is so called because it resembles a hammer in both form and function.
Improvised firearms (sometimes called zip guns, pipe guns, or slam guns) are firearms manufactured by an entity other than a registered firearms manufacturer or a gunsmith. Improvised firearms are typically constructed by adapting existing materials to the purpose. They range in quality, from crude weapons that are as much a danger to the user ...
The MP5K ("K" meaning Kurz, German for "short") is a redesigned compact variant of the MP5, introduced in 1976. Developed from the stockless MP5A1, [30] it features a 4.5-inch barrel incompatible with muzzle attachments, an endcap with sling mount instead of a stock, and a unique handguard with a built-in foregrip.
For double-barreled guns that use one shotgun barrel and one rifle barrel, see combination gun. Double action revolver: A revolver whose trigger performs two actions, firing the round, and cocking the hammer. Double rifle: A rifle that has two barrels, usually of the same caliber. Like shotguns, they are configured either in over-and-under or ...
Safety (firearms) In firearms, a safety or safety catch is a mechanism used to help prevent the accidental discharge of a firearm, helping to ensure safer handling. Safeties can generally be divided into subtypes such as internal safeties (which typically do not receive input from the user) and external safeties (which typically allow the user ...
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Forward assist. Forward assisting is the practice of moving the bolt or bolt carrier of a firearm fully forward in battery when the return spring has not done so (or there is a chance that it will not have done so) to prevent out-of-battery firing. It is only used on closed bolt only firearms. Some firearms have a dedicated device to allow ...