Thompson Model M1 .45 ACP 16.5 Inch Barrel Military Black Finish Fixed Walnut Stock Horizontal Foregrip 30 Round Stick Magazine Only. Semi-automatic version of the military Thompson. Milled steel. Side cocking lever, blade front sight, fixed battle rear sight. Walnut stock and forend. Military black. Accepts stick magazines only. Weighs 11 1/2 lbs. Overall length 38 inches.