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 has a 28" barrel and bronze receiver.Features: Action: Semi-Auto Barrel Length: 28" Capacity: 5+1 Sights: Fiber Optic Front Hand: Right Safety: Crossbolt Chamber: 3" Gauge: 12 Gauge Weight: 6.80 lbs OAL: 48.50" Choke Configuration: MobilChoke Chokes Included: FMIC Barrel Description: Vent Rib Chrome-Lined Barrel Length Range: 28" to 28.99" Weight Range: 6 lbs to 6.99 lbs Stock Finish Group: Brown