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 vertical foregrip. Its receiver also has a blade front sight with an open rear adjustable. The finned barrel features a Cutts compensator. This model has a 16.5" barrel, hard-chrome with tiger stripe metal finish and comes with one 50-round drum and 20-round stick magazines. Oal 41" Hand Right Action semi-auto Muzzle Compensator Series Deluxe Sights Blade Front/Fixed Battle Rear Weight 13 lbs Caliber 45 ACP Capacity 20+1 Weight Range 13 lbs to 13.99 lbs Barrel Length 16.50" Receiver Material Steel Stock Description American Walnut Metal Finish Group Silver/Gray Stock Finish Group Brown Barrel Length Range 16" to 16.99"