THOMPSON M1928 
- TYPE: Submachine Gun
- CALIBER: .45in
- LENGTH: 33.75 in (.857 m)
- LENGTH OF BARREL: 10.52 in (.267 m)
- WEIGHT: 10.75 lb (4.88 kg)
- MUZZLE VELOCITY: 920 ft (280 m) per second
- FEED: 20- or 30-round box, or 50-rounnd drum(600-725rpm)