Black-powder rifles fired by the hammer striking a percussion cap as opposed to a flintlock or modern metallic cartridge ammunition.
Also known as "slide" or "trombone." Action is operated by a sliding pull-push fore-end usually located beneath the barrel.
Also known as autoloading or self-loading. Often incorrectly referred to as an "automatic." Fires only one shot with each pull of the trigger. Examples: .30-caliber U.S. M1 Rifle, Ruger .44-caliber carbine.
A rifle other than bolt-action having no magazine and loaded with only one cartridge at a time. Examples: Ruger No. 1 Rifle, Winchester High Wall.
Refers to a shoulder-fired weapon that combines both rifle and shotgun barrels in one firearm. One of the better known is the Drilling, a side-by-side shotgun with an attached rifle barrel located below and between the two shotgun barrels. Many imported combination guns designed for the U.S. market are known as turkey guns.
Examples: bazooka, light antitank weapon
A shotgun using a turnbolt mechanism.
A shotgun having two barrels arranged side-by- side.
Shotgun, Over and Under
A shotgun having barrels aligned one on top of the other. Though technically a double-barrel, the latter term is reserved for those having a side-by-side configuration. If an over and under weapon has one rifle barrel and one shotgun barrel, it should be coded C (rifle- shotgun combination).
Also known as "slide" and "trombone." Action operated by a sliding pull-push fore-end, usually located beneath the barrel. Examples: Winchester Model 12, Remington 870, Ithaca Model 37.
Also known as autoloading or self-loading and incorrectly as an "automatic." Fires only one shot with each pull of the trigger. Examples: Browning automatic shotgun, Remington Model 1100.
A single barrel shotgun having no magazine and loaded with only one cartridge at a time.
Submachine Gun or Machine Pistol
Submachine guns normally use pistol-caliber ammunition. Very often European- manufactured submachine guns are referred to as machine pistols in their country of origin, even though they were not designed or used as handguns. Examples: Uzi, HK MP5, Mauser machine pistol, Thompson submachine gun.