The Tristar Viper G2 20ga brings the budget gas-operated platform to 20 gauge. Dedicated 20-gauge receiver, 3-inch chamber, synthetic stock, and Mobilchoke-compatible chokes. One of the most affordable 20-gauge semi-autos available in the USA. Type: Shotgun Action: Semi-Automatic Caliber: 20 Gauge Capacity: 4 Year introduced: 2012, Turkey Weight: 83.2 oz Overall length: 46" Status: Active Intended use: Hunting