The 20-gauge ATA Arms Turqua semi-automatic shotgun. Gas-operated with Turkish walnut stock and hand-cut checkering. Lighter than the 12-gauge Turqua with the same chrome-lined bore and self-cleaning piston. Chambers 2.75-inch and 3-inch 20-gauge loads. Type: Shotgun Action: Semi-Automatic Caliber: 20 Gauge Capacity: 5 Year introduced: 2016, Turkey Weight: 72 oz Overall length: 45.5" Status: Active Intended use: hunting, field, upland