Semi-Auto 12 Gauge Shotgun - 18.5 Proof Tested 4140 Barrel - 5 + 1 Capacity - Combat Sights (Ghost Ring Rear Fiber Optic Front) - Optics Ready - Pistol Grip Stock - Chokes and Choke wrench (Benelli Pattern) - 100% compatible with M-1014 parts/accessories - 22 x 0.75 adapter allows use of muzzle brakes/devices