All the classic details of the time honored original are reproduced in today's semi-auto Thompson. This Thompson configuration is the most popular firearm from Auto-Ordnance the original manufacturer of the Tommy Gun. The .45 caliber carbine features a 16.5 finned barrel with a compensator. The frame and receiver are available in blued steel or with a lighter weight aluminum receiver. The wood is genuine American walnut. - Specifications: - Action: Semi Automatic - Barrel Length: 16.5 - Overall Length: 41 - Caliber: 45 ACP - Capacity: 30 Round Magazine/100 Round Drum - Grips: Walnut Detachable Buttstock Vertical Foregrip - Sights: Blade Front Open Rear Adjustable - Weight: 13 lbs