Mossberg 590A1 Magpul | 12 GA | 20" | Parkerized | 8rd Shotgun

The Mossberg 590A1 Magpul (MPN: 51773) is a 12 Gauge pump action shotgun built around a 20" barrel and 8+1 capacity. This factory configuration combines the established 590A1 Magpul operating system with a parkerized finish and model-specific furniture, sighting, or accessory features rather than a generic distributor configuration.

Heavy-walled barrel. Magpul SGA stock. Magpul MOE forend. In addition, xs ghost-ring sights, while metal trigger guard and safety. Together, those details define the factory configuration without relying on broad claims or adding accessories that are not part of the listed package.

For comparison shopping, the most important identifiers are the 20" barrel, 8+1 capacity, Parkerized finish, and the pump action operating system. Those specifications are kept consistent in the product title, metadata, custom fields, and image description so this SKU remains distinct from closely related models in search results.

Key Features & Capabilities

• Barrel & Chambering: 20" barrel chambered for 12 Gauge.
• Operating System: Pump Action.
• Capacity: 8+1 factory configuration.
• Feature: Heavy-walled barrel.
• Configuration: Metal trigger guard and safety.

The 590A1 Magpul is best suited to buyers who specifically want this 20", 8+1, Parkerized configuration and want the major specifications documented clearly before purchase. Browse firearms and compatible ammunition at Recoil Gunworks.