Model: X12 - Gauge: 12 gauge - System: gas operated semi automatic - Chamber: 3 - Ammunition: 2 3/4 and 3 - Receiver Material: T6 7075 hardened aluminium upper polymer lower - Forend Material: polymer - Color: black - Barrel: 4140 Full Steel chrome lined 18.5 - Magazines: Comes with three 5 round magazines (higher capacity magazines sold separately) - Choke: external choke (includes 1 iii modified choke) and wrench Benelli Mobile choke threads - Features: - fixed stock - classic forend with picatinny rail - polymer flip up sights - sight wrench - sling - three 5 round magazines - chamber flag - owners manual - advanced charging handle - sling mounts - LIFETIME WARRANTY