Gauge 20 GA – Chamber 2-3/4 or 3 – Action Inertia-Plus Semi Automatic – Magazine 4+1 2-3/4in. – Rib Integrated Cantilevered Picatinny Rail – Weight 6lbs 9 oz. – Safety Manual – Sight Iron Rifle Sights – Receiver Lower 7075 Aluminum Alloy – Barrel Deep Bore Drilled Rifled Optimized Lengthened Forcing Cone – Warranty Limited Lifetime Warranty