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

The Mossberg 590A1 M-LOK is a Mil-Spec pump-action shotgun built for durability and service use. It features an 18.5 inch heavy-walled Marinecote barrel and a black synthetic stock with an M-LOK forend. Construction follows Mossberg's tactical-series design intent for hard-use reliability without unnecessary ornamentation.

Key Specifications

• The model is 590A1.
• The action is Pump Action.
• The caliber/gauge is 12 Gauge.
• The barrel measures 18.5 inches and uses a heavy-walled profile.
• The barrel finish is Marinecote.
• The barrel type is Heavy-Walled.
• The stock is a black synthetic with an M-LOK forend.
• The chamber accepts 3-inch shells.
• The listed weight is 7 lbs.
• The safety is an Ambidextrous Top Tang design.

With its heavy-walled Marinecote barrel, rugged synthetic furniture and M-LOK forend, the 590A1 is configured for practical defensive and duty use where durability and straightforward operation matter. Its Mil-Spec construction and service-oriented features make it a solid option for operators and homeowners seeking a no-nonsense pump shotgun built for repeated hard use.