HK21

The Heckler & Koch HK21 is a German 7.62×51mm NATO general-purpose machine gun, developed in 1961 by small arms manufacturer Heckler & Koch and based on the HK G3 battle rifle. The machine gun is in use with the armed forces of several Asian, African and Latin American countries. It was also license-manufactured by Fábrica de Braço de Prata in Portugal as the m/968 and in Mexico by SEDENA as the MG21. In the German military (Bundeswehr) and the federal police (Bundespolizei) it is designated "G8".