The Browning BAR Mark III .300 Winchester Magnum Semiautomatic Rifle is a hunting firearm built with a steel sporter barrel and an oiled Turkish walnut stock. Its receiver is made from aluminum alloy with a matte nickel finish. This rifle also features a hinged floorplate with a detachable box magazine, a chrome-plated chamber and an Inflex recoil pad. Browning BAR Mark III .300 Winchester Magnum Semiautomatic Rifle - Rifles Center Fire at Academy Sports