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, gold 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 Gold Stock Finish Group Brown Barrel Length Range 16" to 16.99"