The Mossberg 590 Shockwave is a compact 12 gauge pump-action defensive shotgun configured with a fixed raptor birdshead grip and corn-cob forend. Designed for home defense and other defensive applications, it emphasizes controllability and simple, proven pump-action operation. The design is intended for users who prioritize a compact platform with rugged, low-maintenance finishes and straightforward iron sights.

Key Specifications

• The gauge is listed as 12 Gauge, making it compatible with standard 12ga ammunition up to a 3″ chamber.
• The action type is a pump-action design, following Mossberg’s traditional twin action bar layout for reliable cycling.
• The chamber is specified as 3 inches to accommodate 3″ shells.
• The shotgun uses a fixed Raptor birdshead grip intended to improve control and reduce felt recoil.
• The forend is a corn-cob style with strap, described as a corn-cob forend with strap in supplier data to help keep the support hand clear of the muzzle.
• The barrel is a heavy-walled, cylinder-bore profile that is reported in sources at approximately 14 inches.
• The finish is documented as blued / blued-black for the metal surfaces, paired with a black synthetic grip and forend.
• Sighting is provided by a fixed bead front sight and fixed rear bead arrangement, listed as bead style sights.
• The product is described in supplier data for home defense and defensive shotgun applications.

This model carries the practical strengths of Mossberg pump-actions—robust steel components, a simple manual-action design, and durable synthetic furniture—packaged in a compact defensive form factor. Its configuration makes it a straightforward choice for users seeking a compact, low-complexity defensive shotgun platform. Review the specifications and local regulations to confirm compatibility with your intended lawful use and any state-specific restrictions.

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