The Armsan Phenoma is an inertia-operated semi-automatic shotgun positioned as a lightweight, low-maintenance field gun. The inertia mechanism eliminates the gas ports and piston of traditional gas guns, reducing fouling and simplifying cleaning. Features a Turkish walnut or synthetic stock and chambers 3-inch shells. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2018, Turkey Weight: 88 oz Overall length: 47" Status: Active Intended use: hunting, field, upland