The Beretta Model 12 was an Italian blowback operated, selective fire sub-machine-gun produced from 1959 to 1978. It was chambered for the 9 mm Parabellum cartridge which it took from a 20, 30 or 40 round magazine and fired at a cyclic rate of 550 rounds per minute with a muzzle velocity of 381 meters-per-second. The Beretta Model 12 was effective to a range of 200 meters and was adopted by the Italian armed forces in 1961 and various South American and African countries and was made under licence in Brazil and Indonesia. Research Beretta Model 12