The TriStar's Viper G2 is a semi-automatic gas operated 12 gauge shotgun that is reliable functional and hard working that allows you to shoot light target loads to heavy waterfowl loads.The Viper's removable choke system uses beretta/benelli mobil threads and includes three choke tubes (IC M F) choke box and choke wrench.Each TriStar's Viper G2 also features a manual e-z load mag cut-off a vent ribbed barrel with matted sight plane a chrome-lined 28" barrel with an overall black finish constructed of steel and a fiber optic front sight. Its stock and forearm are constructed of a synthetic with a soft touch finish for a better feel.Features / SpecsAction: Semi-AutoGauge: 12 GaugeBarrel Length: 28"Capacity: 5+1Chamber: 3"Weight: 6.80 lbsChoke Configuration: MobilChokeReceiver Description: Black SteelTrigger: StandardChokes Included: F M ICBarrel Description: Vent Rib Chrome-LinedSights: Fiber Optic FrontSafety: CrossboltBarrel Length Range: 28" to 28.99"Weight Range: 6 lbs to 6.99 lbsHand: LeftStock Finish Group: BlackMetal Finish Group: Blued/Black