Heckler & Koch HK21

The HK21 is a German general purpose machine gun, developed in 1961 by small arms manufacturer Heckler Koch and based on the G3 battle rifle. The weapon is in use with the armed forces of several Asian, African and Latin American countries. It was also license-manufactured by Fábrica do 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“.