submachine gun

Shoulder-held automatic assault weapon that fires handgun cartridges in bursts.

magazine

Part containing the cartridges, which are automatically fed into the gun barrel.

magazine catch

Device that attaches the magazine to the weapon.

barrel

Tubular part that guides the trajectory of the projectile.

trigger guard

Metal piece covering and protecting the trigger.

butt plate

Back part of the weapon that is held against the shoulder.

trigger

Device that is pressed to fire the weapon.

pistol grip

Part for holding and aiming the weapon; its shape is similar to that of a pistol butt.

receiver

Metal casing around the weapon’s firing mechanism.

rear sight

Articulated graduated aiming device attached to the back of the barrel; the rear sight is lined up with the front sight when aiming.

front sight

Metal aiming device attached to the front of the barrel.