Mossberg 990 Aftershock SPX 12-Gauge Shotgun
Ultra-compact semi-automatic shotgun with 5+1 capacity, 14.75" barrel, and optic-ready receiver. Gas-operated action, fiber optic sights, and tactical controls make it ideal for home defense and sport shooting.
The Mossberg 990 Aftershock SPX: Compact Power Meets Tactical Versatility
Mossberg's 990 Aftershock SPX represents the evolution of the modern defensive shotgun—a purpose-built platform that combines reliability with genuine tactical functionality.
Core Specifications
- Gauge: 12-gauge, 3" chamber
- Capacity: 5+1 rounds
- Barrel Length: 14.75" with integrated heat shield
- Action: Gas-operated semi-automatic
- Finish: Cerakote barrel and receiver in Olive Drab Green
- Sights: Fiber optic front sight with protective wings
Key Features
Optics Ready The receiver features a Shield RMSc footprint with three additional adapter plates included, allowing you to mount RMR, Docter, or Leupold optics. This flexibility ensures you can choose the red dot that best suits your needs.
Ergonomic Design The Aftershock grip minimizes felt recoil while providing a secure hold. Oversized safety and bolt release buttons—borrowed from the 3-gun competition scene—ensure fast, intuitive manipulation under stress. The knurled charging handle offers positive control.
Practical Accessories The forend features integrated M-LOK slots and quick-detach ports for mounting lights, lasers, or other tactical gear. The magazine tube extension also includes M-LOK slots, giving you multiple options for customization.
Reliability and Durability Gas-operated action ensures consistent cycling with various ammunition types. Corrosion-resistant internal parts and finishes stand up to demanding use. The enlarged, beveled loading port makes reloading fast and intuitive.
Why Choose the 990 Aftershock SPX?
This shotgun bridges the gap between home defense and sport shooting. Its compact 14.75" barrel makes it maneuverable in tight spaces, while the 5+1 capacity provides adequate firepower. The optic-ready platform and M-LOK accessory slots let you build the shotgun that matches your specific mission.
Whether you're setting up a home defense system or exploring competitive shotgun sports, the Mossberg 990 Aftershock SPX delivers the features and reliability you need.
Features
- capacity: 5+1
- optic-ready, shield rmsc footprint
- includes adapter plates for rmr, docter, and leupold optics
- aftershock grip
- new forend with integrated heat shield
- m-lok accessory slots on forend
- qd ports on forend
- corrosion-resistant internal parts and finishing
- enlarged, beveled loading port
- knurled charging handle
- oversized bolt release
- magazine tube extension with m-lok mounting slots
- front fiber optic sight with low-profile protective wings
- 14.75" barrel length
- 14.75" cylinder bore barrel
- gas operated semi-auto
- 5+1 capacity
- od green metalwork
- black synthetic birds head grip
- spx tactical forend
- m-lok mounting slots
