Girsan MC312 Goose Features The MC312 Goose semi-auto shotgun in 12GA is built on a lightweight aircraft aluminum receiver with a machined integral accessory rail for the included Red Dot optics. The MC312 Goose is a gooses worst nightmare. The stock and forend are built out of high-impact polymers for a lifetime of use. The MC312 Goose barrel features a vented rib with a fiber-optic front sight and extended screw choke tubes in a common thread pattern. Girsan MC312 Goose Specifications Model: MC312 Series: Goose Gauge: 12 Gauge Stock Finish: Black Action: Semi-Auto Sights: Fiber Optic Front Capacity: 5+1 Chamber: 3.5 Size: Full Size Application: Field Chokes Included: 5 Hand: Right Includes: Red Dot Max Capacity: 5 OAL: 52 Receiver Finish: Blued Receiver Material: Aluminum Stock Finish Group: Black Stock Material: Synthetic Weight: 6.95 lbs Barrel Description: Vent Rib Barrel Finish: Blued Barrel Length: 28