L4 Bren Gun

The Steyr MG 74 is an Austrian general-purpose machine gun chambered in 7.62×51mm NATO. It is an improved Austrian variant of the German MG 42 design, featuring a heavier bolt for a reduced rate of fire, improved accuracy, and a polymer buttstock.

The HK21 is a German general-purpose machine gun developed by Heckler & Koch as a belt-fed variant of the G3 battle rifle. It uses the same roller-delayed blowback action as the G3 and feeds from disintegrating belts. The weapon was designed for export markets and saw service with numerous military and police forces worldwide.

The RPD is a Soviet light machine gun designed by Vasily Degtyaryov, chambered in 7.62x39mm M43. It was one of the first light machine guns designed around an intermediate cartridge and fed from a distinctive 100-round belt contained in a drum magazine. The RPD served as the standard squad automatic weapon of the Soviet Union and its allies for decades.