Availability: In Stock
The Mossberg 590A1 Pro is a 12-gauge pump-action shotgun built for serious duty and defense work. With its 18.5" barrel, 6+1 capacity, and robust steel construction, this platform has earned its reputation in law enforcement and military service—and it brings that same reliability to civilian shooters who demand a proven, no-nonsense defensive shotgun. The tungsten gray Cerakote finish protects against corrosion while the drilled and tapped receiver opens up modern optics mounting, letting you configure the gun for how you actually fight it.
What sets the 590A1 apart is its obsessive attention to durability: heavy-walled barrel, dual extractors, steel-to-steel lockup, twin action bars, and an anti-jam elevator that keeps the gun running when it counts. The top-mounted ambidextrous safety means you can run it from either shoulder without fumbling. Ghost ring iron sights with a front fiber optic come ready to use, but the optic-ready receiver and drilled/tapped surface let you mount modern red dots (RMSc footprint) or other optics directly—no permanent modifications needed.
The Magpul SGA adjustable stock gives you a custom length of pull between 12.25" and 14.25", and the included spacers let you dial it in for your frame. That adjustability matters whether you're shooting in tactical gear, civilian clothes, or alternating shoulders. At 7 lbs, it's handy enough to move quickly but substantial enough to manage recoil. Cylinder bore choke keeps your patterns predictable at close range, exactly what you need in a defensive tool.
This is a shotgun for people who respect the tool and won't tolerate compromise. It runs, it's modular, and it's been tested harder than most firearms ever will be.
| Gauge | 12 |
| Action | Pump-action |
| Chamber | 3" |
| Barrel Length | 18.5" |
| Barrel Finish | Tungsten Gray Cerakote |
| Choke | Cylinder Bore |
| Capacity | 6+1 |
| Overall Length | 38" |
| Stock | Magpul SGA Adjustable Synthetic with Spacers |
| Length of Pull | 12.25"–14.25" (adjustable) |
| Sights | Metal Ghost Ring Rear w/ Front Fiber Optic; Optic-Ready Receiver |
| Weight | 7 lbs |
| Receiver | Steel, Drilled and Tapped |
Yes. The receiver is drilled and tapped, and it's optic-ready with RMSc footprint compatibility. You can mount modern micro red dots directly, and the factory ghost ring sights stay in place—you can cowitness or remove them based on your setup.
The Magpul SGA stock is fully adjustable between 12.25" and 14.25" using the included spacers. That range covers most shooter builds and accommodates different clothing layers or tactical gear.
The 590A1 Pro is purpose-built for defensive and duty work. The 18.5" barrel, 6+1 capacity, and rugged construction make it a professional-grade platform. The cylinder bore choke and short barrel are optimized for close-range engagement, not waterfowl or upland hunting.
This is a 12-gauge with a 3" chamber, so it handles both 2.75" and 3" shells. Stick with appropriate shotgun ammunition for your intended use.
SKU: 198466121 • Weight: 11oz
Availability: In Stock
The Mossberg 590A1 Pro is a 12-gauge pump-action shotgun built for serious duty and defense work. With its 18.5" barrel, 6+1 capacity, and robust steel construction, this platform has earned its reputation in law enforcement and military service—and it brings that same reliability to civilian shooters who demand a proven, no-nonsense defensive shotgun. The tungsten gray Cerakote finish protects against corrosion while the drilled and tapped receiver opens up modern optics mounting, letting you configure the gun for how you actually fight it.
What sets the 590A1 apart is its obsessive attention to durability: heavy-walled barrel, dual extractors, steel-to-steel lockup, twin action bars, and an anti-jam elevator that keeps the gun running when it counts. The top-mounted ambidextrous safety means you can run it from either shoulder without fumbling. Ghost ring iron sights with a front fiber optic come ready to use, but the optic-ready receiver and drilled/tapped surface let you mount modern red dots (RMSc footprint) or other optics directly—no permanent modifications needed.
The Magpul SGA adjustable stock gives you a custom length of pull between 12.25" and 14.25", and the included spacers let you dial it in for your frame. That adjustability matters whether you're shooting in tactical gear, civilian clothes, or alternating shoulders. At 7 lbs, it's handy enough to move quickly but substantial enough to manage recoil. Cylinder bore choke keeps your patterns predictable at close range, exactly what you need in a defensive tool.
This is a shotgun for people who respect the tool and won't tolerate compromise. It runs, it's modular, and it's been tested harder than most firearms ever will be.
| Gauge | 12 |
| Action | Pump-action |
| Chamber | 3" |
| Barrel Length | 18.5" |
| Barrel Finish | Tungsten Gray Cerakote |
| Choke | Cylinder Bore |
| Capacity | 6+1 |
| Overall Length | 38" |
| Stock | Magpul SGA Adjustable Synthetic with Spacers |
| Length of Pull | 12.25"–14.25" (adjustable) |
| Sights | Metal Ghost Ring Rear w/ Front Fiber Optic; Optic-Ready Receiver |
| Weight | 7 lbs |
| Receiver | Steel, Drilled and Tapped |
Yes. The receiver is drilled and tapped, and it's optic-ready with RMSc footprint compatibility. You can mount modern micro red dots directly, and the factory ghost ring sights stay in place—you can cowitness or remove them based on your setup.
The Magpul SGA stock is fully adjustable between 12.25" and 14.25" using the included spacers. That range covers most shooter builds and accommodates different clothing layers or tactical gear.
The 590A1 Pro is purpose-built for defensive and duty work. The 18.5" barrel, 6+1 capacity, and rugged construction make it a professional-grade platform. The cylinder bore choke and short barrel are optimized for close-range engagement, not waterfowl or upland hunting.
This is a 12-gauge with a 3" chamber, so it handles both 2.75" and 3" shells. Stick with appropriate shotgun ammunition for your intended use.
SKU: 198466121 • Weight: 11oz