TriStar Viper G3 20 Gauge Semi-Auto Shotgun, 28" Barrel, Walnut The TriStar Viper G3 pairs 20 gauge chambering with a 28-inch barrel and walnut furniture. The semi-automatic layout and walnut stock give this Viper a familiar sporting-shotgun format, with the chambering and barrel length clearly defining the variant. Three chokes are included, making a supplied selection of choke components part of the package. The walnut stock gives the furniture a natural-wood appearance and feel. Together, the stock and choke selection add practical purchasing detail beyond the barrel length and chambering alone. Key Features Semi-Automatic Action: The stated operating format for this shotgun. Barrel Configuration: 28-inch barrel. Furniture: Walnut stock configuration. Three Chokes: Includes three choke options. Specifications Manufacturer: TriStar Model: Viper G3 Gauge: 20 Gauge Action: Semi-Automatic Barrel Length: 28 inches Stock: Walnut Appearance: Walnut Package Contents TriStar Viper G3 20 Gauge shotgun 3 x chokes Shop the TriStar Viper G3 20ga 28-inch Walnut shotgun at BattleHawk Armory.