
Availability: In Stock
Current Stock: Out of stock
The Mossberg 590A1 Pro is a purpose-built 12 gauge pump-action shotgun designed for serious defensive work, duty use, and tactical applications. This model pairs proven reliability with modern features: a heavy-walled barrel in Marinecote finish resists corrosion in wet and humid conditions, while the silver receiver gets the same corrosion-resistant treatment. The 6+1 capacity (six rounds in the tube plus one in the chamber) and 18.50" barrel give you quick target acquisition without sacrificing magazine volume—a real advantage in close-quarters scenarios where pump shotguns excel.
Mossberg built this gun with agencies and professionals in mind. Dual extractors and steel-to-steel lockup ensure reliability under stress, while the twin action bars and anti-jam elevator keep the gun running when it matters. The heavy-walled construction isn't just for show; it's engineered to handle hard use, regular cleaning, and the occasional neglect that real-world carry brings. The top-mounted ambidextrous safety lets you work the gun from either shoulder without hunting for controls.
The 590A1 Pro ships with metal ghost-ring sights (rear) and a front fiber-optic sight—a proven combination for faster target acquisition than plain iron sights. The receiver is optic-ready with a plate that removes to accept micro dot sights (RMSc footprint), so you can upgrade to a red dot if your mission demands it. The black synthetic Magpul SGA adjustable stock with spacers fits shooters with different length-of-pull needs (adjusts 12.25–14.25 inches), and the clean-out magazine tube design prevents fouling. Metal trigger guard and safety button add durability where contact happens most.
Whether you're setting up a duty gun, a home-defense shotgun, or a range workhorse, the Mossberg 590A1 Pro delivers the kind of no-nonsense performance that's made the 590 platform a favorite among professionals and serious civilians for decades.
| Gauge | 12 Gauge |
| Action Type | Pump-Action |
| Chamber Size | 3 inch |
| Barrel Length | 18.50 inches |
| Barrel Finish | Marinecote (Silver) |
| Receiver Finish | Silver Marinecote |
| Stock | Black Synthetic Magpul SGA with Spacers |
| Capacity | 6+1 (six in magazine tube, one in chamber) |
| Length of Pull | Adjustable 12.25–14.25 inches |
| Sights | Metal Ghost Ring (rear) with Front Fiber-Optic; Optic-Ready Receiver |
| Safety | Top-Mounted Ambidextrous |
| Approximate Weight | 7 lbs |
| Model Number | 50794 |
Yes. The receiver is optic-ready and includes a mounting plate. Remove the plate to mount a micro dot sight in the RMSc footprint. The iron sights stay accessible as a backup.
The shotgun ships with metal ghost-ring rear and front fiber-optic sights installed, and the Magpul SGA adjustable stock with spacers. No additional accessories are mentioned as included.
Marinecote is a nickel-teflon plating designed to perform in wet and humid environments. It's more corrosion-resistant than standard bluing, making it a solid choice for duty, home defense, or use in challenging weather.
The shotgun has a 3-inch chamber, so yes, it will handle 3-inch loads. The heavy-walled barrel is designed to handle the pressures of duty ammunition and standard hunting loads.

SKU: 198466122 • Weight: 11oz
Availability: In Stock
Current Stock: Out of stock
The Mossberg 590A1 Pro is a purpose-built 12 gauge pump-action shotgun designed for serious defensive work, duty use, and tactical applications. This model pairs proven reliability with modern features: a heavy-walled barrel in Marinecote finish resists corrosion in wet and humid conditions, while the silver receiver gets the same corrosion-resistant treatment. The 6+1 capacity (six rounds in the tube plus one in the chamber) and 18.50" barrel give you quick target acquisition without sacrificing magazine volume—a real advantage in close-quarters scenarios where pump shotguns excel.
Mossberg built this gun with agencies and professionals in mind. Dual extractors and steel-to-steel lockup ensure reliability under stress, while the twin action bars and anti-jam elevator keep the gun running when it matters. The heavy-walled construction isn't just for show; it's engineered to handle hard use, regular cleaning, and the occasional neglect that real-world carry brings. The top-mounted ambidextrous safety lets you work the gun from either shoulder without hunting for controls.
The 590A1 Pro ships with metal ghost-ring sights (rear) and a front fiber-optic sight—a proven combination for faster target acquisition than plain iron sights. The receiver is optic-ready with a plate that removes to accept micro dot sights (RMSc footprint), so you can upgrade to a red dot if your mission demands it. The black synthetic Magpul SGA adjustable stock with spacers fits shooters with different length-of-pull needs (adjusts 12.25–14.25 inches), and the clean-out magazine tube design prevents fouling. Metal trigger guard and safety button add durability where contact happens most.
Whether you're setting up a duty gun, a home-defense shotgun, or a range workhorse, the Mossberg 590A1 Pro delivers the kind of no-nonsense performance that's made the 590 platform a favorite among professionals and serious civilians for decades.
| Gauge | 12 Gauge |
| Action Type | Pump-Action |
| Chamber Size | 3 inch |
| Barrel Length | 18.50 inches |
| Barrel Finish | Marinecote (Silver) |
| Receiver Finish | Silver Marinecote |
| Stock | Black Synthetic Magpul SGA with Spacers |
| Capacity | 6+1 (six in magazine tube, one in chamber) |
| Length of Pull | Adjustable 12.25–14.25 inches |
| Sights | Metal Ghost Ring (rear) with Front Fiber-Optic; Optic-Ready Receiver |
| Safety | Top-Mounted Ambidextrous |
| Approximate Weight | 7 lbs |
| Model Number | 50794 |
Yes. The receiver is optic-ready and includes a mounting plate. Remove the plate to mount a micro dot sight in the RMSc footprint. The iron sights stay accessible as a backup.
The shotgun ships with metal ghost-ring rear and front fiber-optic sights installed, and the Magpul SGA adjustable stock with spacers. No additional accessories are mentioned as included.
Marinecote is a nickel-teflon plating designed to perform in wet and humid environments. It's more corrosion-resistant than standard bluing, making it a solid choice for duty, home defense, or use in challenging weather.
The shotgun has a 3-inch chamber, so yes, it will handle 3-inch loads. The heavy-walled barrel is designed to handle the pressures of duty ammunition and standard hunting loads.
SKU: 198466122 • Weight: 11oz
