The Viper series G2 semi-automatic shotguns are gas-operated and interchangeably load 2.75" and 3" shells, making them capable of firing anything from light target loads to heavy waterfowl loads. The vent-rib barrel is threaded to accept the included Beretta-style choke tubes (F/M/IC) and chrome-lined for durability. It has a matted sight plane and a fiber-optic front sight. Synthetic models feature Soft Touch textured gripping on stock and forend. The five-round magazine includes a shot plug and is equipped with a manual E-Z Load magazine cut-off allowing for quick unloading and safety. Rubber recoil pad. Five-year mechanical warranty.