HK79 Grenade Launcher

The Mk 19 is an American belt-fed 40×53mm automatic grenade machine gun. It has been the standard heavy automatic grenade launcher for the U.S. military since the Vietnam War, mounted on vehicles, boats, and tripods for devastating area suppression.

The M320 Grenade Launcher Module (GLM) is a single-shot 40mm grenade launcher manufactured by Heckler & Koch. It can be fired as a standalone weapon or mounted under the M4 carbine and M16 rifle. The M320 features a side-opening barrel for longer ammunition and an integrated day/night sight.

The M203 is a single-shot 40mm under-barrel grenade launcher designed to mount beneath the M16 rifle and M4 carbine. It has been the standard U.S. military grenade launcher since 1969, providing squad members with a combined rifle/grenade capability.