The G3 (German: Gewehr 3; English: Rifle 3), is a battle rifle designed in 1959 and manufactured by German small arms producer Heckler & Koch. It is a selective-fire weapon chambered for the 7.62x51mm NATO cartridge, is typically fed from a 20-round detachable box magazine, and has a fire rate of 500 to 600 rounds per minute depending on the variant. A wide variety of non-military variants are also in production, typically sporting smaller magazines, semi-auto only, and other modifications to comply with various regulations.