Mossberg 990 SPX AfterShock 12 Gauge OD Green/Black

About this product

The Mossberg 990 SPX AfterShock is an ultra-compact 12 Gauge semi-automatic shotgun designed for close-quarters handling and straightforward operation. It pairs an AfterShock grip with an integrated heat-shield for manageable handling during repeated use. The receiver and barrel feature a Cerakote finish in Olive Drab Green with black furniture for a durable, corrosion-resistant surface. The platform is optic-ready and includes a modern forend with M-LOK slots and QD ports for accessory mounting.

Key Specifications

• The gauge is 12 Gauge for compatibility with common 12-ga ammunition loads.
• The action type is Semi-Auto to support rapid follow-up shots.
• The maximum chamber size accepts 3″ shells.
• The barrel features an integrated heat shield to protect the forend during extended use.
• The metal finish is Cerakote, Olive Drab Green for enhanced corrosion resistance.
• The stock includes the AfterShock grip to help reduce felt recoil and improve purchase.
• Sight options include a fiber optic front sight and the receiver is optic-ready (Shield RMSc footprint).
• The shotgun uses an Accu-Choke system with a cylinder-bore choke installed.
• The magazine is a tubular magazine located beneath the barrel.
• The forend includes M-LOK accessory slots and QD ports for modular accessory mounting.

Built to be compact, durable, and adaptable, the 990 SPX AfterShock blends modern features—optic readiness, M-LOK compatibility, and an ergonomically focused grip—into a straightforward semi-automatic platform. Its combination of corrosion-resistant finishes and accessory-ready design makes it a practical choice for users seeking a maneuverable 12 Gauge shotgun with contemporary controls and mounting options.

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