The TriStar Viper Series Semi Automatic Gas Operated Shotguns are reliable functional and hard working. Both wood and synthetic models have 3 gas operated semi-automatic shotguns that allow you to shoot light target loads to heavy waterfowl loads interchangeably. Removable choke system uses Beretta/Benell Mobil Threads includes three choke tubes (IC M F) choke box and wrench. Cerakote receiver high-grade Turkish walnut with cut checkering and semi-gloss finish. Rubber Recoil pad Fiber optic sight and shim kits standard backed by a five-year warranty. - Features: - Manuel E-Z Load Magazine Cut-off - Vent Rib with Matted Sight Plane - Fiber Optic Front Sight - 3 Beretta/Benelli Mobil Style Chokes (IC M F) - 5 round Magazine - Shot Plug Included - Chrome-lined Chamber and Barrel - Soft Touch on all Synthetic Models - Shim kits standard