The Mossberg 990 AfterShock is an ultra-compact 12 Gauge semi-automatic shotgun built for maneuverability in confined spaces. Its gas-operated action provides 5+1 capacity, while the 14.75-inch barrel keeps the platform compact. Corrosion-resistant internal components, including a nickel boron-coated gas piston, magazine tube, hammer and sear, support dependable operation. The enlarged and beveled loading port, elongated elevator, and anodized follower help promote smooth loading and cycling. An ergonomic AfterShock grip with rubberized palm support, textured forend, embossed retention strap, and M-LOK magazine tube extension provide secure handling and accessory flexibility.

Key features

• Gas-operated semi-automatic action provides convenient 5+1 capacity
• Compact 14.75-inch barrel improves maneuverability in tight spaces
• 3-inch chamber accommodates a broad range of 12 Gauge shotshell loads
• Nickel boron-coated gas piston, magazine tube, hammer, and sear resist corrosion
• Enlarged loading port, elongated elevator, and anodized follower support smooth operation
• AfterShock grip with rubberized palm pad and textured forend improves handling control

The Mossberg 990 AfterShock combines compact dimensions, semi-automatic operation, and practical tactical controls in a highly maneuverable shotgun.