Mossberg 590A1 M-LOK 12 Gauge 18.5in Pump Shotgun

The Mossberg 590A1 M-LOK is a 12 Gauge pump-action shotgun fitted with an 18.5-inch heavy-walled barrel and a Parkerized finish. Designed to meet demanding duty specifications, this model adds an M-LOK forend for accessory mounting and a black synthetic stock for weather resistance. Construction features like a metal trigger guard and ambidextrous top-tang safety emphasize durability and straightforward operation.

Key Specifications

• The gauge is 12 Gauge.
• The action is Pump Action.
• The barrel measures 18.5 inches and is heavy-walled.
• The chamber accepts 3-inch shells.
• The barrel finish is Black Parkerized.
• The forend features an M-LOK attachment system.
• The stock is Black synthetic.
• The safety is an Ambidextrous top tang.
• The front sight is a Bead.
• The weight is approximately 7 pounds.

With its heavy-walled barrel, robust steel components, M-LOK adaptability, and service-oriented features, the 590A1 is aimed at users who prioritize durability and straightforward function. Its combination of rugged construction and practical ergonomics makes it well suited for duty roles and home-defense-oriented applications where reliability and modular mounting options are important.