The Mossberg 990 SPX AfterShock is a compact 12 Gauge semi-automatic shotgun engineered for close-quarters security and utility roles. It features an optic-ready receiver (Shield RMSc footprint) and an AfterShock pistol grip that helps manage recoil. The forend includes an integrated heat shield and multiple M-LOK attachment points for accessory flexibility while the barrel and receiver receive a Cerakote finish.
Key Specifications
- The firearm is chambered for 3-inch shells.
- The action type is Semi-Auto.
- The gauge is 12 Gauge.
- The barrel features an integrated heat shield.
- The metal finish is Cerakote.
- The stock style is a folding pistol-grip configuration.
- The product includes an optic-ready receiver (Shield RMSc footprint) with adapter plates for alternate footprints.
- The forend provides M-LOK accessory slots and QD ports.
- Choke system is Accu-Choke with a cylinder bore tube included.
- Sights include a fiber optic front with protective wings.
The 990 SPX AfterShock combines compact handling and practical features—optic readiness, M-LOK modularity, and an ergonomically designed AfterShock grip—to suit tasks that demand maneuverability and accessory options. The Cerakote finish and corrosion-resistant internal components support long-term service life in demanding environments.
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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