The TriStar Viper series semi-automatic gas-operated shotguns are reliable, functional, and hard-working. They come standard with a 3" chamber to take 2-3/4" or 3" shells. Chambers are chrome-lined and barrels are threaded for the Beretta/Benelli style choke tubes. Other premium features include a manual E-Z Load magazine cut-off and a ventilated rib with a matted sight plane. This shotgun has a ventilated rib, a brass bead front sight, and a set of three screw-in choke tubes (F/M/IC). Its stock and bore are in very good condition and its metal is in good condition.