"The TriStar Arms Viper G2 Wood Compact Semi-Auto Shotgun is a gas-operated autoloader that's ideal for younger and smaller-framed shooters. The gas system reliably cycles anything from light target loads to heavy waterfowl shells with no complications. The walnut stock and forend provide classic good looks, and the included shim kit allows it to ""grow"" with young shooters. Fiber-optic front sight for easy targeting. Chrome-lined chamber and barrel. Soft rubber recoil pad. 5-round tube mag with plug included. Utilizes Beretta/Benelli Mobil chokes, and includes 3 tubes (IC, M, F). Mfrs. 5-year warranty. Ideal for younger and smaller-framed shooters 13"" length of pull Gas system cycles a wide variety of loads Walnut stock and forend Shim kit for adjusting length of pull Chrome-lined chamber and barrel Fiber-optic front sight Uses Beretta/Benelli Mobil chokes Includes 3 choke tubes (IC, M, F)"