HK21

A product derived from G3, Heckler & Koch designed the 7.62 calibre machinegun HK21 in 1961. This MG fires from a closed bolt, operates on the roller-delayed blowback action mechanism of G3, chambered for 7.62x51mm NATO, able to fire at a rate of 800 rounds per minute cyclic, within a 1200 metres effective range coverage. The ambidextrous fire selector leaver allows HK21 to fire as semi-automatic on top of fully automatic firing, forearm of the weapon can mount a bipod for prone position/wall mounted firing. The belt feeding module is located beneath the receiver, which means HK21 can be...