Gauge: 12 - Barrel Length: 28 - Weight: 7.4 lbs - Finish: Bronze/MO Blades - Choke: CT-4 - General Description: 3 � 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 � 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-5HD Camo Pattern - Action: Gas operated semi-automatic. Bolt remains open after last round is fired. If magazine and chamber are both loaded opening action will result in ejecting shell from chamber and cycling new shell from magazine into the chamber. If operator desires to unload the chamber only press button near trigger guard (magazine cut-off) to lock lifter in place shell will eject from chamber once opened and bolt will remain open. - Safety: The primary safety is located on the backside of the trigger guard. When engaged the safety is designed to block the trigger hammer lever and the hammer which makes the firing mechanism immobile. - Magazine: Tubular magazine; bottom loading. Shot plug is included and comes installed. Shot plug is easily removable by unscrewing the magazine cap. Simply pull plug out and replace magazine cap.