The Mossberg 590S Shockwave is a compact 12 Gauge pump-action shotgun designed for maneuverability in close quarters, vehicle storage, and camp use. Its 18.5-inch cylinder-bore barrel and 3-inch chamber accept 1 3/4-inch, 2 3/4-inch, and 3-inch shells. The Raptor grip and corn-cob forend with strap provide a secure, controlled hold, while the 9+1 tubular magazine configuration offers substantial onboard capacity. Proven 590-series features include dual extractors, twin action bars, steel-to-steel lockup, an anti-jam elevator, and a top-mounted ambidextrous manual safety.

Key features

• 9+1 capacity supports extended shooting without frequent reloads
• 18.5-inch cylinder-bore barrel balances compact handling with practical range
• 3-inch chamber accepts 1 3/4-inch, 2 3/4-inch, and 3-inch shells
• Raptor grip and corn-cob forend with strap improve control and retention
• Top-mounted ambidextrous safety is accessible from either side
• Dual extractors, twin action bars, and steel-to-steel lockup support reliable operation

The Mossberg 590S Shockwave combines compact handling with the proven pump-action features of the 590 series.