Gas-operated firearms

assault rifle

1943 assault rifle series by Hugo Schmeisser

7.62 mm machine gun

light machine gun

German Mauser automatic rifle

5.56 mm light machine gun

semiautomatic rifle

thumb|right|300px|Red Army reinforcements during the Siege of Leningrad in 1941. The 3 sergeants in the front row are equipped with AVS-36. The AVS-36 (; Avtomaticheskaya vintovka Simonova obraztsa 1936 goda (AVS-36); "Automatic rifle Simonov model 1936 (AVS-36)") was a Soviet automatic rifle which saw service in the early years of World War II. It was among the early selective fire infantry rifles (capable of both semi and full-automatic fire) formally adopted for military service.

heavy machine gun

5.56 mm assault rifle

French semiautomatic rifle

Semi-automatic rifle of Swedish manufacture

Russian general-purpose machine gun

assault rifle

WWII Italian tank gun

semi-automatic rifle manufactured by Colt

The Z-M LR-300 is an American select-fire assault rifle designed by gunsmith Allan Zitta and manufactured by Z-M Weapons. The model name LR-300 stands for Light Rifle and 300 is for 300 meters, which is regarded by the manufacturer as the effective range of the rifle with a standard FMJ bullet. The design is based on the AR-15, M16 and C7 rifles, but has a unique semi-direct gas impingement system and a folding stock option.

Belgian heavy machine gun

firearm manufactured by SIG Sauer

type of assault rifle

type of Semi-automatic carbine

carbine manufactured by Colt Canada

assault rifle

experimental semi-automatic rifle

6P62 (6П62) is the GRAU designation of a Russian handheld machine gun chambered for the 12.7×108mm round. Its project code name is unknown.

type of assault rifle