The simplified WWII version of the Thompson submachine gun, issued to paratroopers with a folding stock. Eliminated the Cutts compensator and Lyman sight of earlier models to reduce cost and weight. Type: Submachine Gun Action: Automatic Caliber: .45 ACP Capacity: 30 Year introduced: 1942, USA Weight: 304 oz Overall length: 31.9" Status: Discontinued Military use: Yes Intended use: Airborne, Close Quarters, Military