Shop BattleHawk Armory for the Mossberg 590S Shockwave Tactical Shotgun For the ultimate in shooting flexibility, the all-new 590S Series cycles 1.75a ^2, 2.75a ^2, or 3a ^2 shells. Pick one shotshell length for specific shooting needs, or simultaneously load any combination of those shell lengths. The choice is yours with the 590S. Features standard Mossberg Pump-Action Features: Dual extractors, twin action bars, positive steel-to-steel lockup, and anti-jam elevator provide smooth operation. Other features include top-mounted ambidextrous safety, matte blue metal finish, magazine clean-out tube with cap, and a logo-engraved receiver. SKU 51601 Gauge 12 Gauge Action Type Pump-Action Chamber Size 3" Chamber with 1.75" Short Shell, 2.75", and 3" Cycling Capability Usage Security Barrel Length 14.375" Barrel Finish Matte Blue Choke Cylinder Bore Capacity 4+1; 5+1; 8+1 Length 26.37" Sights Bead Stock Raptor Grip / Corn Cob Forend w/ Strap Weight 5.3 UPC 15813516013