The Uzi is an Israeliblowback operated, selective fire machine pistol. It takes a 9 mm Parabellum round from a 25-, 32- or 40-round box and has a cyclic rate of 600 rounds-per-minute. It has a muzzle velocity of 420 meters-per-second. The Uzi has an effective range of 200 meters and is produced with both a fixed wooden stock and a folding metal stock. Research Uzi