The Browning Hi Power is a single-action, semi-automatic handgun available in 9mm and .40 S&W calibers. It is based on a design by American firearms inventor John Browning, and completed by Dieudonné Saive at Fabrique Nationale (FN) of Herstal, Belgium. Browning died in 1926, several years before the design was finalized. The Hi-Power is one of the most widely used military pistols in history, having been used by the armed forces of over 50 countries. Technical Data: Weight 1 kg (2.2 lb) Length 197 mm (7.8 in) Barrel length 119 mm (4.7 in) Cartridge 9×19mm Parabellum 7.65×21mm Parabellum .40 S&W Action Short recoil operated Rate of fire Semi-automatic Muzzle velocity 335 m/s (1,100 ft/s) (9mm) Effective firing range 50 m (54.7 yd) Feed system Detachable box magazine; capacities: 13 rounds (9mm) 10 rounds (.40 S&W)