
| Brand | Mossberg |
| SKU | 51773 |
| UPC | 015813517737 |
| Action | Pump Action |
| Finish | Parkerized |
| Sights | Bead Sights |
| Weight | 7.75 pounds |
| Capacity | 8+1 |
| Grip Safety | No |
| Optic Ready | No |
| Barrel Length | 20 inches |
| Manual Safety | Yes |
| Chamber Length | 3in |
| Length Of Pull | 13 to 14.5 inches |
| Overall Length | 41 inches |
| Trigger Safety | No |
| Caliber / Gauge | 12 Gauge |
| Threaded Barrel | No |
| Ambidextrous Safety | Yes |
| Condition | New |
Firearms ship to the FFL dealer you choose at checkout. Demo storefront — no real fulfillment.
The Mossberg 590A1 Magpul Series is a durable 12 Gauge pump-action shotgun configured for tactical use. Its 20-inch heavy-walled barrel and Parkerized finish provide a robust platform, while the Magpul SGA stock offers adjustable length of pull, improved grip ergonomics, and a recoil-reducing buttpad. The Magpul MOE forend includes front and rear hand stops and supports compatible MOE rails, mounts, and accessories. An ambidextrous tang-mounted safety and bead sights provide familiar controls and straightforward target acquisition.
The Mossberg 590A1 Magpul Series combines proven pump-action reliability with practical Magpul furniture for home defense, training, and tactical applications.