The Mossberg 990 AfterShock is a compact 12-gauge semi-automatic platform designed for maneuverability and functional features. It pairs an 18.5-inch barrel with a gas system that includes corrosion-resistant internals for reliable cycling. The shotgun is outfitted with an AfterShock pistol grip and a strapped forend with integrated M-LOK slots for accessory mounting. Built with a matte blued, chrome-lined barrel and black synthetic furniture, it balances durability and control for close-quarters applications.
Key Specifications
- The action is Semi-Auto.
- Chambered for the 12 Gauge.
- The barrel measures 18.5 inches for compact handling.
- Magazine capacity is 5+1 rounds.
- Features a gas system with corrosion-resistant internals including a nickel boron-coated piston.
- The barrel has a Matte Blued finish on chrome-lined steel.
- The stock and grip are black synthetic with an AfterShock pistol grip design.
- Equipped with a fiber optic front sight.
- Includes a 5-round magazine tube and uses a tubular magazine.
- The forend includes M-LOK mounting slots for accessory attachment.
With its compact profile, corrosion-resistant gas components, and M-LOK-ready forend, the 990 AfterShock offers practical functionality and straightforward ergonomics for users who value maneuverability and modularity. The combination of a short barrel, AfterShock grip, and ambidextrous controls makes it a versatile option for close-quarters applications where a reliable, easy-to-handle shotgun is preferred.
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