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