The MOSSBERG 590A1 Pro is a 12-gauge pump-action shotgun engineered for professional defensive and maritime environments. It is finished in Marinecote for enhanced corrosion resistance and features an 18.5-inch heavy-walled barrel. The rifle-style Magpul SGA adjustable stock and an optic-ready receiver with ghost-ring rear and fiber-optic front sights provide adaptable handling for varied operational needs.
Key Specifications
- The gauge is 12 Gauge.
- The action type is Pump Action.
- The chamber accepts 3 inch shells.
- The barrel measures 18.5 inches and is heavy-walled.
- The magazine capacity is 6+1.
- The finish is Marinecote for wet/humid environments.
- The stock is a Magpul SGA adjustable synthetic stock with spacers.
- The sights are metal ghost-ring rear with fiber-optic front and the receiver is optic-ready.
- The ATF model designation is M590A1.
- The choke type is Cylinder Bore.
Ruggedly built with dual extractors, steel-to-steel lockup, twin action bars, and an anti-jam elevator, this 590A1 Pro is tailored for reliable operation in demanding, wet conditions. Its combination of corrosion-resistant finish, adjustable Magpul furniture, and optic-ready receiver make it a practical choice for maritime, duty, or defensive applications where dependable function and modular ergonomics are priorities.
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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