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Availability: In Stock
The Mossberg 590R is a modern pump-action shotgun built on decades of proven 590 reliability, now reimagined for shooters who want AR-platform ergonomics without sacrificing shotgun performance. This 12 gauge 3" chamber model holds 6+1 rounds and pairs a full-length heat shield barrel with an adjustable synthetic stock and Magpul grip—making it equally at home in a defensive scenario, tactical course, or hunting situation where modularity and quick target engagement matter.
What sets the 590R apart is its AR-style controls: an ambidextrous rotary safety selector, Mil-Spec compatible stock receiver that accepts standard AR adjustable stocks, and a Picatinny rail on top ready for optics. The 18.5" Flat Dark Earth Cerakote barrel integrates a full-length heat shield, so your support hand stays comfortable even after extended shooting. The Flat Dark Earth receiver matches the barrel for a cohesive, professional finish. Traditional 590 internals—dual extractors, twin action bars, positive steel lockup—deliver the smooth, reliable cycling that made the 590 an institution.
The enlarged loading port and exposed follower speed up reloads under pressure. Two QD ports on the stock give you flexible accessory mounting. The five-position adjustable stock and interchangeable recoil pad let you dial in fit for your frame and shooting style. If you're coming from AR rifles or want shotgun controls that feel familiar, the 590R bridges that gap without compromise.
| Gauge | 12 |
| Chamber | 3" |
| Capacity | 6+1 (7 total) |
| Barrel Length | 18.5" with integrated heat shield |
| Barrel Finish | Flat Dark Earth Cerakote |
| Receiver Finish | Flat Dark Earth Cerakote steel |
| Stock | Black AR Mil-Spec adjustable synthetic, 5-position |
| Grip | Black Magpul MOE+ |
| Sight Base | Top Picatinny rail |
| Choke | Accu-Choke (cyl. bore or breacher) |
| Safety | Ambidextrous rotary selector |
| Stock Compatibility | Accepts Mil-Spec AR stocks; compatible with other grip designs |
Yes. The stock base and adapter are compatible with Mil-Spec AR stocks and accept other grip designs. The receiver includes two QD mounting ports for slings and accessories.
The 590R holds 6+1 rounds in the 3" chamber. The 18.5" barrel includes an integrated, full-length heat shield as part of a single-piece assembly, so your support hand stays protected during rapid fire.
The 590R features a top Picatinny rail optimized for AR-style optics. A separate scope, reflex sight, or other rail-mounted optic can be added. Picatinny rail-mounted iron sights (like MBUS) are compatible but sold separately.
This model features Flat Dark Earth Cerakote on both the barrel and receiver, with a black synthetic stock and black Magpul grip.
SKU: 198467433 • Weight: 9.65oz
Availability: In Stock
The Mossberg 590R is a modern pump-action shotgun built on decades of proven 590 reliability, now reimagined for shooters who want AR-platform ergonomics without sacrificing shotgun performance. This 12 gauge 3" chamber model holds 6+1 rounds and pairs a full-length heat shield barrel with an adjustable synthetic stock and Magpul grip—making it equally at home in a defensive scenario, tactical course, or hunting situation where modularity and quick target engagement matter.
What sets the 590R apart is its AR-style controls: an ambidextrous rotary safety selector, Mil-Spec compatible stock receiver that accepts standard AR adjustable stocks, and a Picatinny rail on top ready for optics. The 18.5" Flat Dark Earth Cerakote barrel integrates a full-length heat shield, so your support hand stays comfortable even after extended shooting. The Flat Dark Earth receiver matches the barrel for a cohesive, professional finish. Traditional 590 internals—dual extractors, twin action bars, positive steel lockup—deliver the smooth, reliable cycling that made the 590 an institution.
The enlarged loading port and exposed follower speed up reloads under pressure. Two QD ports on the stock give you flexible accessory mounting. The five-position adjustable stock and interchangeable recoil pad let you dial in fit for your frame and shooting style. If you're coming from AR rifles or want shotgun controls that feel familiar, the 590R bridges that gap without compromise.
| Gauge | 12 |
| Chamber | 3" |
| Capacity | 6+1 (7 total) |
| Barrel Length | 18.5" with integrated heat shield |
| Barrel Finish | Flat Dark Earth Cerakote |
| Receiver Finish | Flat Dark Earth Cerakote steel |
| Stock | Black AR Mil-Spec adjustable synthetic, 5-position |
| Grip | Black Magpul MOE+ |
| Sight Base | Top Picatinny rail |
| Choke | Accu-Choke (cyl. bore or breacher) |
| Safety | Ambidextrous rotary selector |
| Stock Compatibility | Accepts Mil-Spec AR stocks; compatible with other grip designs |
Yes. The stock base and adapter are compatible with Mil-Spec AR stocks and accept other grip designs. The receiver includes two QD mounting ports for slings and accessories.
The 590R holds 6+1 rounds in the 3" chamber. The 18.5" barrel includes an integrated, full-length heat shield as part of a single-piece assembly, so your support hand stays protected during rapid fire.
The 590R features a top Picatinny rail optimized for AR-style optics. A separate scope, reflex sight, or other rail-mounted optic can be added. Picatinny rail-mounted iron sights (like MBUS) are compatible but sold separately.
This model features Flat Dark Earth Cerakote on both the barrel and receiver, with a black synthetic stock and black Magpul grip.
SKU: 198467433 • Weight: 9.65oz