Thompson 1927A-1 Deluxe Semi-Auto Case Hardened Finish with Clear protective coat – Caliber: .45 ACP – Barrel: 16.5 Finned (with compensator 18) – Weight: 13 lbs. – Length: 41 overall – Sight: Blade front open rear adjustable – Finish: Blued Steel – Stock: Walnut fixed stock and Horizontal foregrip – Magazines: 1x10rd Stick – Warranty: 1 year