Mossberg 590 Shockwave SPX 12GA 14.38" Barrel 5+1 Capacity

The Mossberg 590 Shockwave SPX delivers devastating close-range firepower in a compact, maneuverable platform. This non-NFA firearm combines the proven 590 action with tactical enhancements for maximum effectiveness in confined spaces.

What Makes This Different

The SPX variant elevates the standard Shockwave with integrated M-LOK slots, a top Picatinny rail, and enhanced ergonomics. The 14.38-inch barrel maintains legal compliance while providing superior ballistics compared to shorter alternatives. Factory threading accepts standard choke tubes for versatility across different ammunition types.

Key Features

• M-LOK compatible forend with integrated Picatinny rail for optics and accessories
• Raptor birdshead grip provides secure control and rapid target acquisition
• Heavy-walled barrel with cylinder bore choke for maximum reliability
• Dual extractors and positive steel-to-steel lockup ensure consistent cycling
• Ambidextrous safety located in front of trigger guard
• Blued finish with corrosion-resistant coating for extended service life
• Ghost ring sights with windage adjustable rear sight

Field testing demonstrates reliable cycling with 2¾-inch and 3-inch shells across various loads from birdshot to slugs. The compact 26.37-inch overall length excels in vehicle operations, building clearing, and confined storage situations. Weather sealing protects internal components during adverse conditions, while the proven 590 action maintains functionality in sandy, muddy, or wet environments.

Technical Specs

• Gauge: 12 gauge, 3-inch chamber capability
• Barrel Length: 14.38 inches with cylinder bore
• Overall Length: 26.37 inches
• Weight: 5.3 pounds
• Capacity: 5+1 rounds
• Action: Pump-action with dual extractors
• Safety: Ambidextrous top-tang safety
• Finish: Matte blued barrel and receiver
• Stock: Fixed Raptor birdshead grip
• Sights: Ghost ring rear, front bead
• Rail: Integrated Picatinny rail on receiver top
• Made in USA with limited warranty

The 590 Shockwave SPX represents the evolution of tactical shotgun design, combining proven reliability with modern modularity. Law enforcement agencies and civilian users demand equipment that performs when stakes are highest.