Mossberg 590 Shockwave 12GA 18.5in Pump Matte Blued

About this product

The Mossberg 590 Shockwave is a pump-action 12-gauge configured with an 18.5-inch heavy-walled barrel and a blued finish. It features the Shockwave bird’s-head Raptor grip and a corncob-style forend with a strap to keep the support hand clear of the barrel. The model includes a 3″ chamber and a front bead sight for simplified, rugged use. Mossberg’s proven pump-action components—ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars and an anti-jam elevator—are incorporated for reliable operation.

Key Specifications

• The action is Pump Action.
• The gauge is 12 Gauge.
• The barrel measures 18.5 inches.
• The chamber accepts 3″ loads.
• The barrel is Heavy-Walled.
• The metal finish is Blued / Matte.
• The stock is a Black synthetic Raptor bird’s-head grip.
• The forend is a Corn-cob style with strap.
• The choke is a Cylinder Bore.
• The sighting is a Front bead.

Built around Mossberg’s long-standing pump-action design, the 590 Shockwave provides a compact, robust configuration for close-quarters and home-defense applications. Durable finishes, straightforward controls and low-maintenance internals make it a practical choice for users who prioritize reliability and simple operation.

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