Legendary Mossberg Pump-Action Reliability In A Compact 14 Barreled Package. The Shockwave Raptor bird's head pistol grip is uniquely shaped to minimize felt recoil. Includes all the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator. The 590 Shockwave features a convenient clean-out tube magazine cap, a front bead sight, and strapped forend to keep shooter's lead hand clear of the muzzle.