The Mossberg 590A1 is a purpose-built pump-action shotgun engineered to military-derived durability. This model features an 18.5-inch threaded heavy-walled barrel and is chambered for 3″ shells. It ships optic-ready with a drilled-and-tapped receiver and an Accu-Choke Cylinder Bore choke installed.
Key Specifications
- The shotgun is chambered for 12 Gauge.
- The barrel measures 18.5 inches and is heavy-walled with a threaded muzzle.
- The chamber accepts 3-inch shells.
- The magazine capacity is 6+1 rounds.
- Includes an Accu-Choke Cylinder Bore choke installed.
- The action type is Pump-Action.
- The finish is Black Parkerized.
- The forend is M-LOK compatible for accessory mounting.
- The receiver is drilled and tapped and is optic-ready (Shield RMSc footprint).
- The stock is black synthetic in a fixed configuration with spacer.
With MIL-SPEC-level construction and practical features such as the M-LOK forend, threaded heavy-walled barrel, and optic-ready receiver, the 590A1 is well-suited for shooters who prioritize durable, service-grade equipment for security, duty, or range use. Its combination of rugged components and versatile accessory compatibility makes it a reliable choice for those seeking a tough, no-nonsense pump shotgun.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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