Availability: In Stock
The Mossberg 990 AfterShock is a compact 12 gauge semi-auto shotgun built for shooters who need fast handling and tactical versatility in a tight package. At 14.75 inches with a matte blued barrel and receiver, this 3-inch magnum delivers 5+1 capacity with the kind of ergonomic features you'd expect on a purpose-built platform: ambidextrous controls, a forend strap to keep your hand clear of the muzzle, and an M-LOK mounting system for customization. Whether you're running it for home defense, tactical training, or hunting close quarters, the 990 AfterShock strips away the bloat and focuses on what matters—controllability, reliability, and the ability to mount gear where you need it.
The gun's action is built around a gas system with corrosion-resistant internals: a nickel boron-coated gas piston, magazine tube, hammer, and sear all contribute to smooth, low-maintenance operation. The AfterShock grip itself—that black synthetic stock—is shaped to absorb recoil and seat your hand naturally, with a rubberized palm pad for comfort during sustained fire. An enlarged, beveled loading port makes feeding rounds faster and easier, backed by an anodized orange follower and elongated elevator that won't pinch. Every detail on this gun serves function.
Controls are uncompromised. The charging handle is knurled for a sure grip, the bolt release is oversized and paddle-style (ambidextrous, naturally), and the safety sports a red indicator and is equally reachable from either side. The forend strap and M-LOK slots on the magazine extension give you mounting flexibility without adding bulk—keep it stock or thread lights, lasers, or support gear onto the platform you already have. The included Lasersaddle (5mW, windage and elevation adjustable, multi-point touchpad activation) gives you a fast sighting option right out of the box, and it mounts directly to the receiver without disrupting the gun's lines.
This is a shotgun that doesn't pretend to be something it isn't. It's compact, it points naturally, and it runs. That's the Mossberg 990 AfterShock formula.
| Gauge | 12 |
| Action | Semi-auto (gas-operated) |
| Barrel Length | 14.75" |
| Chamber | 3" |
| Capacity | 5+1 |
| Barrel Finish | Matte Blued |
| Receiver Finish | Matte Blued |
| Stock/Grip | Black Synthetic AfterShock Grip |
| Controls | Ambidextrous Safety, Ambidextrous Paddle Bolt Release |
| Accessory Mount | M-LOK (forend/magazine extension) |
| Sights | Included 5mW Lasersaddle (windage/elevation adjustable) |
The 990 AfterShock is a 12 gauge shotgun with a 3-inch chamber, so it'll fire standard 2.75-inch loads and 3-inch magnum shells.
Yes. The 990 AfterShock features ambidextrous controls, including an ambidextrous safety and paddle-style bolt release that are equally accessible from either side of the gun.
Yes. The magazine extension features M-LOK mounting slots on the sides and bottom, so you can easily attach lights, lasers, or other gear. A 5mW Lasersaddle is included and mounts to the receiver.
The barrel is 14.75 inches, which makes the gun ultra-compact and easy to maneuver in tight spaces—a big advantage in hallways, vehicles, or defensive scenarios where you need a shotgun you can handle quickly without compromising controllability.
SKU: 198467266 • Weight: 7.8oz
Availability: In Stock
The Mossberg 990 AfterShock is a compact 12 gauge semi-auto shotgun built for shooters who need fast handling and tactical versatility in a tight package. At 14.75 inches with a matte blued barrel and receiver, this 3-inch magnum delivers 5+1 capacity with the kind of ergonomic features you'd expect on a purpose-built platform: ambidextrous controls, a forend strap to keep your hand clear of the muzzle, and an M-LOK mounting system for customization. Whether you're running it for home defense, tactical training, or hunting close quarters, the 990 AfterShock strips away the bloat and focuses on what matters—controllability, reliability, and the ability to mount gear where you need it.
The gun's action is built around a gas system with corrosion-resistant internals: a nickel boron-coated gas piston, magazine tube, hammer, and sear all contribute to smooth, low-maintenance operation. The AfterShock grip itself—that black synthetic stock—is shaped to absorb recoil and seat your hand naturally, with a rubberized palm pad for comfort during sustained fire. An enlarged, beveled loading port makes feeding rounds faster and easier, backed by an anodized orange follower and elongated elevator that won't pinch. Every detail on this gun serves function.
Controls are uncompromised. The charging handle is knurled for a sure grip, the bolt release is oversized and paddle-style (ambidextrous, naturally), and the safety sports a red indicator and is equally reachable from either side. The forend strap and M-LOK slots on the magazine extension give you mounting flexibility without adding bulk—keep it stock or thread lights, lasers, or support gear onto the platform you already have. The included Lasersaddle (5mW, windage and elevation adjustable, multi-point touchpad activation) gives you a fast sighting option right out of the box, and it mounts directly to the receiver without disrupting the gun's lines.
This is a shotgun that doesn't pretend to be something it isn't. It's compact, it points naturally, and it runs. That's the Mossberg 990 AfterShock formula.
| Gauge | 12 |
| Action | Semi-auto (gas-operated) |
| Barrel Length | 14.75" |
| Chamber | 3" |
| Capacity | 5+1 |
| Barrel Finish | Matte Blued |
| Receiver Finish | Matte Blued |
| Stock/Grip | Black Synthetic AfterShock Grip |
| Controls | Ambidextrous Safety, Ambidextrous Paddle Bolt Release |
| Accessory Mount | M-LOK (forend/magazine extension) |
| Sights | Included 5mW Lasersaddle (windage/elevation adjustable) |
The 990 AfterShock is a 12 gauge shotgun with a 3-inch chamber, so it'll fire standard 2.75-inch loads and 3-inch magnum shells.
Yes. The 990 AfterShock features ambidextrous controls, including an ambidextrous safety and paddle-style bolt release that are equally accessible from either side of the gun.
Yes. The magazine extension features M-LOK mounting slots on the sides and bottom, so you can easily attach lights, lasers, or other gear. A 5mW Lasersaddle is included and mounts to the receiver.
The barrel is 14.75 inches, which makes the gun ultra-compact and easy to maneuver in tight spaces—a big advantage in hallways, vehicles, or defensive scenarios where you need a shotgun you can handle quickly without compromising controllability.
SKU: 198467266 • Weight: 7.8oz