Short recoil-operated semi-automatic shotgun. Chambered for 12-gauge only. Offered with 26", 28" or 30" barrels plain or ventilated rib. Has various chokes. Receiver steel. Finish blued or silver, with checkered walnut stock. Tubular magazine holds only two shots—hence its name. Manufactured between 1954 and 1972. NOTE: Add 25 percent for ventilated rib.