3 ½ gas operated semi-automatic shotgun that allows you to shoot light target loads to heavy waterfowl loads utilizing a two piston system. The Viper Max comes with a light and heavy load piston. Use light load piston for 2 ¾ shells for other rounds use heavy load piston. Secondary piston can be stored in forearm for easy retrieval. The Viper Max comes with 4 Beretta/Benelli Mobil Chokes (SK IC M F) as well as over molded rubber grips on the stock and forearm for added comfort. Newly developed recoil pad and swivel studs also included. Back by our Five Year Warranty. – Features – Magazine Cut-off Action – Vent Rib w/ Matted Sight Plane – Fiber Optic Sight – 5 Round Magazine Shot Plug Included – Quick Shot Plug Removal – Chrome-lined Chamber and Barrel – Swivel Studs – 4 Beretta/Benelli Mobil Chokes (SK IC M F) – Reatree Max-7 Camo Pattern