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.Metal Finish: Hard-Chrome w/Tiger StripeAction: Semi-AutoCaliber: 45 ACPBarrel Length: 16.50"Capacity: 20+1Oal: 41"Weight: 13 lbsStock Description: American WalnutMuzzle: CompensatorReceiver Material: SteelSights: Blade Front/Fixed Battle RearBarrel Length Range: 16" to 16.99"Weight Range: 13 lbs to 13.99 lbsHand: RightStock Finish Group: BrownMetal Finish Group: Silver/Gray