Description

The Mossberg 990 AfterShock SPX is a semi-automatic 12-gauge shotgun in the Mossberg 990 family engineered for reduced recoil, adaptability, and tactical performance. The name “AfterShock” refers to its recoil-reducing gas systemdesigned to smooth out recoil impulses across a wide range of shell types.

The SPX designation typically indicates a tactical-oriented variant with modern furniture, accessory compatibility, and enhanced controls.

Specifications

• Type: Semi-automatic

• Manufacturer: O.F. Mossberg & Sons

• Action: Gas-operated

• Gauge: 12 gauge

• Capacity: 7 + 1

• Magazine Type: Tube magazine

• Chamber Size: 3″

• Barrel Length: ~ 18.5″

• Overall Length: ~ 30.8″

• Weight: ~ 6.3 lbs

• Barrel Type: Integrated Heat Shield

• Barrel Finish: Matte Blue

• Choke: Accu-Choke System – Cylinder Bore Choke Installed

• Stock: AfterShock Grip

• Sights: Winged Front FO; Optic-Ready