Crafted for big-game hunters, the Browning BAR MK 3 Stalker .300 Winchester Magnum Semiautomatic Rifle has a hammer-forged barrel with a matte blued finish, along with an aircraft-grade aluminum alloy receiver. Its stock features composite construction with overmolded gripping panels. Other features include a multilug rotary bolt, QD swivel cups and more. Browning BAR MK 3 Stalker .300 Winchester Magnum Semiautomatic Rifle - Rifles Center Fire at Academy Sports