The HK MG4 is a German-developed belt-fed light machine gun chambered in 5.56x45mm, adopted by the Bundeswehr to complement the G36 service rifle with a common-caliber belt-fed weapon. It feeds from a disintegrating 200-round belt and uses a gas-operated rotating bolt system. Type: Machine Gun Action: Semi/Full-Auto Caliber: 5.56x45mm Capacity: 200 Year introduced: 2001, Germany Weight: 280 oz Overall length: 40.2" Status: Active Military use: Yes Intended use: military