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Military > Firearms

double-barreled shotgun

Military; Firearms

A shotgun with two barrels, usually of the same gauge or bore. The two types of double-barreled shotguns are over/under (abbreviated as O/U), in which the two barrels are stacked ...

double rifle

Military; Firearms

A rifle that has two barrels, usually of the same caliber. The two types of double rifles are over/under (abbreviated as O/U), in which the two barrels are stacked on top of each ...

drilling

Military; Firearms

A firearm with three barrels (from the German word drei for three). Typically it has two barrels side by side on the top, with a third rifle barrel underneath. This provides a ...

drum magazine

Military; Firearms

A type of firearms magazine that is cylindrical in shape, similar to a drum.

dry fire

Military; Firearms

The practice of "firing" a firearm without ammunition. That is, to pull the trigger and allow the hammer or striker to drop on an empty chamber.

dum-dum

Military; Firearms

A bullet designed to expand on impact, increasing in diameter to limit penetration and/or produce a larger diameter wound. The two typical designs are the hollow point bullet and ...

dummy

Military; Firearms

A round of ammunition that is completely inert, i.e., contains no primer, propellant, or explosive charge. It is used to check weapon function, and for crew training. Unlike a ...