The Mossberg 990 AfterShock SPX in 12 gauge (brand part no. 83013) is a semi-automatic shotgun built around an ultra-compact 18.5-inch barrel, giving shooters a maneuverable firearm with 7+1 capacity and a full set of tactical features. Mossberg finishes the 990 AfterShock SPX in matte black and equips it with a fiber optic sight and a direct-mount Shield RMSc footprint for a red dot. Among semi-auto shotguns in the semi-auto shotguns category, the 990 AfterShock SPX favors shooters who want maximum capacity in the smallest possible package.

Key Specifications

• Chambered in 12 gauge.
• Operates as a semi-automatic shotgun.
• Features an ultra-compact 18.5-inch barrel.
• Feeds from a magazine with a 7+1 capacity.
• Includes a Cylinder Bore choke.
• Fitted with a fiber optic sight.
• Direct-mounts an optic via a Shield RMSc footprint.
• Finished in matte black.
• Overall length is 30.875 inches.
• Ships at approximately 8.6 pounds.

Frequently Asked Questions

Can I mount a red dot directly? Yes, the receiver is cut to the Shield RMSc footprint for direct optic mounting.

What is the magazine capacity? 7+1 rounds.

Buy the Mossberg 990 AfterShock SPX 12 Gauge Shotgun

An ultra-compact, high-capacity 12 gauge ready for a red dot is exactly what the 990 AfterShock SPX delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.