The Armsan A620 is a gas-operated semi-automatic 20 gauge shotgun with 26-inch barrel. Made by Armsan Arms in Turkey. Features a self-regulating gas system and Turkish walnut or synthetic stock. 3-inch chamber. Type: Semi-Automatic Shotgun Action: Gas-Operated Caliber: 20 Gauge Capacity: 4 Year introduced: 2010, Turkey Weight: 6 oz Overall length: 46.5" Status: Active Intended use: Field, Hunting, Youth