Ultra-compact and easy to maneuver, the Mossberg 990 AfterShock SPX is a purpose-built 12‑gauge semi-automatic that blends compact geometry with a tactical feature set. It ships with an optic-ready, drilled-and-tapped receiver and a forend that integrates M-LOK slots and a heat shield for accessory flexibility and user comfort. The AfterShock pistol grip and fiber optic front sight are included to support rapid handling and target acquisition in close-quarters applications.
Key Specifications
- The gauge is 12 Gauge.
- The action type is Semi-Auto.
- The maximum chamber size is 3″.
- The barrel features an Integrated Heat Shield.
- The metal surfaces carry a Cerakote Flat Dark Earth finish.
- The receiver is Drilled & Tapped and optic-ready (Shield RMSc footprint).
- The choke system is Accu-Choke.
- Included choke configuration is Cylinder Bore.
- The stock material is Synthetic and the stock type is Folding.
- The forend incorporates M-LOK accessory slots and QD ports.
Well-specified without excess, the 990 AfterShock SPX pairs compact handling with usable tactical features: optic compatibility, M-LOK modularity, a heat-shielded barrel, and an ergonomically shaped AfterShock pistol grip. Its combination of corrosion-resistant finishes and a durable gas system make it a straightforward choice for users who need a compact, configurable 12‑gauge platform for defensive or utility applications.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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