The Browning BAR (Browning Automatic Rifle — not the M1918 military BAR) is a gas-operated semi-automatic hunting rifle in production for over 55 years. The MK3 generation introduced a detachable box magazine replacing the earlier fixed internal magazine. The BAR has been chambered in virtually every major hunting cartridge and is among the most reliable semi-automatic hunting rifles ever produced. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm NATO Capacity: 4 Year introduced: 1967, USA Weight: 128 oz Overall length: 44" Status: Active Intended use: hunting, sporting