
Availability: In Stock
The Mossberg 590A1 Pro is a 12 gauge pump-action shotgun built from the ground up for serious defensive work and tactical applications. This 18.5-inch model pairs a heavy-walled barrel finished in durable Tungsten Gray Cerakote with a steel receiver drilled and tapped for optic mounting—giving you a hard-use platform that's equally at home in professional hands or behind an experienced civilian shooter. The 6+1 capacity and compact 37.75-inch overall length make it maneuverable in tight spaces while the adjustable synthetic stock (12–13-inch length of pull) accommodates different body types and gear configurations.
Built on proven Mossberg pump-action architecture, the 590A1 Pro features heavy-walled construction, dual extractors, and a robust steel-to-steel lockup that's been field-tested in demanding environments. The top-mounted ambidextrous safety and twin action bars—paired with an anti-jam elevator—ensure smooth, reliable cycling under stress. Every control point is reinforced: the metal trigger guard and safety button won't fail when it matters.
The optic-ready receiver ships with metal ghost-ring and front fiber-optic sights mounted low-profile with protective wings. Remove the optics plate and you can mount modern micro-dot sights (RMSc footprint) directly to the receiver, letting you run your preferred red dot or reflex sight. The cylinder-bore choke gives you pattern flexibility for buckshot, slugs, or less-lethal rounds. Cerakote finish is a proven ceramic-polymer coating designed to resist corrosion and rough handling—essential for a gun that earns its paycheck.
Whether you're setting up a patrol gun, home-defense shotgun, or training a new shooter, the 590A1 Pro delivers the controls and durability you'd expect from a purpose-built platform. This is Mossberg's professional-grade pump, and it doesn't cut corners.
| Gauge | 12 Gauge |
| Action Type | Pump-Action |
| Chamber Size | 3 inch |
| Barrel Length | 18.5 inches |
| Barrel Material | Heavy-Walled Steel |
| Barrel Finish | Tungsten Gray Cerakote |
| Receiver | Steel, Drilled & Tapped |
| Choke | Cylinder Bore |
| Capacity | 6+1 (6 magazine, 1 chamber) |
| Sights | Metal Ghost Ring Rear w/ Fiber-Optic Front; Optics-Ready (RMSc) |
| Stock | Black Synthetic w/ Spacer |
| Length of Pull | 12–13 inches (Adjustable) |
| Overall Length | 37.75 inches |
| Weight | 6.75 pounds |
| Safety | Top-Mounted Ambidextrous |
Yes. The 590A1 Pro comes with a drilled and tapped steel receiver and factory optics plate. With the plate removed, you can mount RMSc-footprint micro-dots and reflex sights directly to the receiver. It arrives with factory metal ghost-ring and fiber-optic sights in place.
The synthetic stock offers an adjustable 12–13 inch length of pull, and it comes with a spacer to dial in the fit. This range accommodates different body sizes and heavier clothing worn in cooler seasons.
The shotgun is chambered in 12 gauge with a 3-inch chamber. It will fire standard 2.75-inch and 3-inch loads. The cylinder-bore choke provides a wide shot pattern suitable for buckshot, slugs, or less-lethal rounds.
Yes. The 590A1 Pro features a top-mounted ambidextrous safety that can be operated from either the right or left side, making it equally practical for left- and right-handed shooters.

SKU: 198466119 • Weight: 11oz
Availability: In Stock
The Mossberg 590A1 Pro is a 12 gauge pump-action shotgun built from the ground up for serious defensive work and tactical applications. This 18.5-inch model pairs a heavy-walled barrel finished in durable Tungsten Gray Cerakote with a steel receiver drilled and tapped for optic mounting—giving you a hard-use platform that's equally at home in professional hands or behind an experienced civilian shooter. The 6+1 capacity and compact 37.75-inch overall length make it maneuverable in tight spaces while the adjustable synthetic stock (12–13-inch length of pull) accommodates different body types and gear configurations.
Built on proven Mossberg pump-action architecture, the 590A1 Pro features heavy-walled construction, dual extractors, and a robust steel-to-steel lockup that's been field-tested in demanding environments. The top-mounted ambidextrous safety and twin action bars—paired with an anti-jam elevator—ensure smooth, reliable cycling under stress. Every control point is reinforced: the metal trigger guard and safety button won't fail when it matters.
The optic-ready receiver ships with metal ghost-ring and front fiber-optic sights mounted low-profile with protective wings. Remove the optics plate and you can mount modern micro-dot sights (RMSc footprint) directly to the receiver, letting you run your preferred red dot or reflex sight. The cylinder-bore choke gives you pattern flexibility for buckshot, slugs, or less-lethal rounds. Cerakote finish is a proven ceramic-polymer coating designed to resist corrosion and rough handling—essential for a gun that earns its paycheck.
Whether you're setting up a patrol gun, home-defense shotgun, or training a new shooter, the 590A1 Pro delivers the controls and durability you'd expect from a purpose-built platform. This is Mossberg's professional-grade pump, and it doesn't cut corners.
| Gauge | 12 Gauge |
| Action Type | Pump-Action |
| Chamber Size | 3 inch |
| Barrel Length | 18.5 inches |
| Barrel Material | Heavy-Walled Steel |
| Barrel Finish | Tungsten Gray Cerakote |
| Receiver | Steel, Drilled & Tapped |
| Choke | Cylinder Bore |
| Capacity | 6+1 (6 magazine, 1 chamber) |
| Sights | Metal Ghost Ring Rear w/ Fiber-Optic Front; Optics-Ready (RMSc) |
| Stock | Black Synthetic w/ Spacer |
| Length of Pull | 12–13 inches (Adjustable) |
| Overall Length | 37.75 inches |
| Weight | 6.75 pounds |
| Safety | Top-Mounted Ambidextrous |
Yes. The 590A1 Pro comes with a drilled and tapped steel receiver and factory optics plate. With the plate removed, you can mount RMSc-footprint micro-dots and reflex sights directly to the receiver. It arrives with factory metal ghost-ring and fiber-optic sights in place.
The synthetic stock offers an adjustable 12–13 inch length of pull, and it comes with a spacer to dial in the fit. This range accommodates different body sizes and heavier clothing worn in cooler seasons.
The shotgun is chambered in 12 gauge with a 3-inch chamber. It will fire standard 2.75-inch and 3-inch loads. The cylinder-bore choke provides a wide shot pattern suitable for buckshot, slugs, or less-lethal rounds.
Yes. The 590A1 Pro features a top-mounted ambidextrous safety that can be operated from either the right or left side, making it equally practical for left- and right-handed shooters.
SKU: 198466119 • Weight: 11oz
