Mossberg 590 Tactical Features With credentials hard-earned over decades of military and law enforcement use the Mossberg 590 shotgun is the perfect choice for your personal and home defense needs. Features: dual extractors positive steel-to-steel lockup twin action bars and an anti-jam elevator ensure smooth operation. Top mounted safety provides for ambidextrous operation. Additional special features include tri-railed forends to facilitate accessory lights and lasers adjustable stocks for rapid adjustment of length of pull. Mossberg 590 Tactical Specifications Manufacturer: Mossberg Model: 590 Tactical Gauge: 20 Capacity: 6 plus 1 Chamber: 3 Barrel Length: 18.5 Sight/Base: Bead Choke: Cylinder Bore LOP Type: Fixed LOP: 13.87 Barrel Finish: Matte Blued Stock Finish: Synthetic