The TriStar Viper Series Semi Automatic Gas Operated Shotguns are reliable, functional and hard working. This model has a 3" chamber to take 2 3/4" or 3" shells. The chamber is chrome lined. The barrel is threaded for the BerettaA(R)/BenelliA(R) style choke tubes, and every gun comes with 3 tubes (IC, M, F) standard. Tired of shooting a gun that does not fit your eye dominance? The NEW Left-Handed Viper G2 Series is your answer. This left-handed set-up has all the same features as its right-handed counterpart. With the same great quality and reliability that you have come to expect from TriStar, these left-handed shotguns are sure to be a hit! FEATURES: Manual E-Z Load Magazine Cut-off Vent Rib with Matted Sight Plane Fiber Optic Front Sight 3 BerettaA(R)/BenelliA(R) Style Chokes (IC, M, F) 5 round Magazine - Shot Plug Included Chrome-line Chamber and Barrel Soft Touch on all Synthetic Models