The tristar viper series is a semi-automatic gas operated shotgun that is reliable functional and hard working.Its removable choke system uses beretta/benelli mobil threads includes three choke tubes (ic m f) choke box and wrench.The viper also features manual e-z load mag cut-off vent ribbed barrel with matted sight plane & fiber optic front sight and chrome-plated chamber.A shot plug is included.This 12 gauge g2 sporting model features a blue anodized rec finish.Stock Description: Fixed w/SoftTouchAction: Semi-AutoGauge: 12 GaugeBarrel Length: 30"Capacity: 5+1Chamber: 3"Weight: 7.20 lbsChoke Configuration: MobilChokeChokes Included: F IC M SK ExtendedBarrel Description: Vent Rib Chrome-LinedSights: Fiber Optic FrontSafety: CrossboltBarrel Length Range: 30" to 30.99"Weight Range: 7 lbs to 7.99 lbsHand: RightStock Finish Group: Black