The Definition of Gun
19 Other Firearms Definitions You Need To Know
A fully automatic firearm that rapidly fires multiple rifle-caliber shots with a single pull of the trigger.
An action type that when the trigger of a gun is pulled, the gun gets cocked and the hammer (or striker) is dropped. This applies to both revolvers and semi-automatic guns. On a double action revolver, when the trigger is pulled, the hammer is cocked before releasing. With a double-action semi-automatic pistol, the hammer does not have to be manually cocked (via actually pulling back the trigger or tracking the slide), the hammer (or striker) will be cocked while the trigger is being pulled. A firearm that only the hammer drops when the trigger is pulled is a single action gun.
Racking the slide incorrectly by allowing your hand to rest upon the slide as it moves forward during the loading procedure. Riding the slide is a common cause of misfeeds and other malfunctions.
Abbreviation for Close Quarters Combat.
A metal bar, available in a variety of lengths, with a continuous row of Weaver-like scope mount base slots, which when attached to a firearm, allow convenient attachment of a variety of sights, lights, slings, bipods and other accessories designed to fit this standard system.
The wearing away of a barrel's metal surface by a bullet or shot charge or by the heat of powder gases.
A smooth, sometimes contoured plate, within a magazine, at the top of a spring, across which cartridges slide when being loaded into a chamber.
Another term for rifle.
A malfunction in which the spent case fails to eject from a semi-automatic firearm and blocks the chamber. As the fresh round is brought forward it cannot enter the chamber. It is cleared by stripping the magazine from the gun, racking the slide several times to eject the spent case, and then reloading.
If the trigger is able to continue moving to the rear after the shot has fired, the trigger is said to over-travel.
A part in a firearm that serves to remove brass cases of fired ammunition after the ammunition has been fired. When the gun's action cycles, the extractor lifts or removes the spent brass casing from the firing chamber.
Abbreviation for 'Back Up Gun'
The point of the trigger's return at which the gun's internal mechanisms are ready to fire another round.
This is the maximum overall length the cartridge can be (and is expected to be) in order to function properly in magazines and the mag well of a bolt action rifle.
Not really a gun at all. During the U.S. Civil War, both sides would take tree branches or tree trunks, paint them black, and position them so that they appeared to be rifles or artillery pieces. By doing so, they could fool the other side into believing that they had more artillery than they really did.
Expanding the neck of an existing cartridge to make it use a bullet of a different caliber. A typical process used in the creation of wildcat cartridges.
A slang term for a revolver that holds siz rounds. Usually referring to cowboy style revolvers.
The speed of a projectile or a load of shot at the point that it exits the muzzle of a firearm, normally expressed feet per second.
Unloading a gun and double checking that it is unloaded or fixing a malfunction so that the gun is ready to fire again.
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