Mossberg 990 Aftershock 12GA 5+1 Semi-automatic Shotgun
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Chambered in: 12 gauge;Operation: Semi-automatic;Barrel Length: 18.5 inches;Capacity: 5+1;Sight: Front fiber optic sight;Gas System: Nickel boron-coated gas system and internal components;Port: Enlarged/beveled loading port;Follower: Anodized;Forend: Synthetic black strapped with M-LOK slots;Grip: AfterShock grip with rubberized palm pad;Forend Texture: Streamlined with Mossberg signature texturing;Safety: Ergonomic, oversized;Weight: 6.24 lbs.
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Description
Description
The Mossberg 990 Aftershock 12-gauge shotgun with an 18.5-inch barrel offers enhanced control and tactical performance in a semi-auto platform. Featuring a 5+1 capacity, it uses a gas system with corrosion-resistant components including a nickel boron-coated piston, magazine tube, and internal parts. The shotgun is equipped with an oversized safety, anodized follower, and an enlarged beveled loading port for smoother operation. Its synthetic strapped forend and AfterShock grip provide excellent handling, while integrated M-LOK slots allow for versatile accessory mounting. Durable and maneuverable, this shotgun is built for serious defense or tactical use.
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

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