light machine gun
Light automatic assault weapon that can be single-shot or automatic; its barrel is supported by a bipod.
flash hider 
Muzzle attachment designed to cool the gases and reduce muzzle flash.
bipod 
Support with two legs used to stabilize the weapon during automatic fire.
gas cylinder 
Gases released by the exploding cartridge enter this cylinder and automatically push the cartridge up into the weapon’s breech.
pistol grip 
Part for holding and aiming the weapon; its shape is similar to that of a pistol butt.
barrel jacket 
Perforated or water-filled metal tube around the barrel; during firing, the tube fills with water to cool down the barrel.
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.
operating rod 
Device used in manual shooting mode to push a cartridge into the weapon’s breech.