The 590A1 is the most durably-built of Mossberg’s pump-action shotguns. It has seen duty in all branches of our country’s military and in military and law enforcement agencies worldwide due to its proven endurance and sturdy construction. Combine that hearty construction with a choice of sight stock and forend configurations and it is easy to see why the Mossberg 590A1 is a popular choice for home defense applications. – Optic-Ready (Shield RMSc Footprint) – Heavy-walled Barrel with Accu-Choke System – Metal Trigger Guard and Safety – Clean-out Magazine Tube – Drilled and Tapped Receiver – Parkerized Finish – M-Lok compatible forend with accessory mounting slots – Standard features include dual extractors steel-to-steel lockup top-mounted ambidextrous safety twin action bars and anti-jam elevator – Specifications – Gauge 12 Gauge – Action Type Pump-Action – Chamber Size 3 – Usage Security – Barrel Type Heavy-Walled – Barrel Length 18.5 – Barrel Finish Parkerized – Choke Accu-Choke System- Cylinder Bore Choke Installed – Capacity 6+1 – Length 37.75 – LOP 12-13 – LOP Type Adjustable – Sights Bead; Optic-Ready – Stock Synthetic (Black) w/Spacer – Weight 7