This is how Heckler & Koch G3 Works | WOG |

The Heckler & Koch G3 is a ×51mm NATO, select-fire battle rifle developed in the 1950s by the German armament manufacturer Heckler & Koch in collaboration with the Spanish state-owned design and development agency CETME. Type: Battle rifle Place of origin: West Germany In service: 1959–present Used by: See Users Designer: CETME, Mauser, Heckler & Koch Designed: 1950s Manufacturer: Heckler & Koch (original), Rheinmetall, MIC, SEDENA, Kongsberg Gruppen and others Produced: 1958–present Number built: 7,000,000 Variants: See Variants Cartridge: ×51mm NATO Action: Roller-delayed blowback Rate of fire: 500–600 rounds/min Maximum firing range: 3700 m ( yd) Feed system: 20-round or 30-round detachable box, and 50-round and 100-round drum magazine