Mossberg 590A1 12ga 20in M-LOK XS Ghost Ring

The Mossberg 590A1 is a duty-grade pump-action shotgun built for durability and reliability. It ships with a 20-inch heavy-walled barrel, M-LOK forend and XS ghost ring sights, and is finished in a parkerized coating over steel components. Designed for defensive and duty applications, it uses a fixed synthetic stock with integrated shell storage.

Key Specifications

• Caliber: 12 Gauge.
• Action type: Pump Action.
• Barrel length: 20 inches.
• Barrel description: Heavy-walled construction.
• Chamber size: 3 inches.
• Finish: Parkerized.
• Stock material and color: Black synthetic with storage compartment.
• Sights: XS Ghost Ring.
• Forend: M-LOK compatible forend.
• Stock feature: 4-shell holder integrated in the stock.

Built to withstand demanding use, this 590A1 configuration provides a rugged, adaptable platform for duty, home defense, or range work. Its heavy-walled barrel, parkerized finish and M-LOK forend allow for a practical balance of durability and modularity while XS ghost ring sights offer a fast, consistent sight picture for close- to intermediate-range work.