The Beretta M9, officially the Pistol, Semiautomatic, 9mm, M9, is a 9×19mm Parabellum pistol adopted by the United States Armed Forces in 1985. It is essentially a military specification Beretta 92FS. Technical Power: Weight 952 g (33.6 oz) 1,162 g (41.0 oz) loaded Length 217 mm (8.5 in) Barrel length 125 mm (4.9 in) Cartridge 9×19mm Parabellum Action Short recoil Muzzle velocity 381 m/s (1,250 ft/s) Effective firing range 50 m Feed system 15-round detachable box magazine Sights Iron sights