All the classic details of the time honored original are reproduced in today's semi-auto Thompson 1927-A1. The Deluxe has a frame and receiver machined from solid steel, fixed buttstock, pistol grip and foregrip. Its receiver also has a blade front sight with an open rear adjustable. The finned barrel features a Cutts compensator. This model has an 18" barrel, blued metal finish, horizontal foregrip and a 10-round stick magazine. Oal 41" Hand Right Action semi-auto Muzzle Compensator Series Deluxe Sights Blade Front/Fixed Battle Rear Weight 13 lbs Caliber 45 ACP Capacity 10+1 Weight Range 13 lbs to 13.99 lbs Barrel Length 18" Receiver Material Steel Stock Description American Walnut Metal Finish Group Blued/Black Stock Finish Group Brown Barrel Length Range 18" to 18.99"