Shop BattleHawk Armory for the Mossberg 590 Shockwave SPX Tactical Shotgun The Shockwave Raptor birds 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 SPX features Receiver-mounted side saddle with shellholder units/removable top rail, and barrel heat shield. Five polymer shellholders are included, that mount to either side. A removable top rail provides sight or accessory options. (Sight and shotshells, not inlcuded)