The Mossberg 590A1 is a service-grade pump-action shotgun that meets MIL-SPEC 3443G standards. It is chambered in 12 Gauge and features a 20-inch heavy-walled barrel paired with an M-LOK forend and XS Ghost Ring sights. The design emphasizes durable components including a metal trigger guard and ambidextrous safety for consistent operation in demanding environments.
Key Specifications
- The shotgun is chambered in 12 Gauge.
- The action type is a Pump Action.
- The barrel measures 20 inches and is heavy-walled.
- The barrel type is Heavy-Walled.
- The choke is a Cylinder Bore.
- The sighting system is XS Ghost Ring sights.
- The forend uses an M-LOK interface for accessories.
- The stock is a fixed black synthetic with an integrated storage compartment and 4-shell holder.
- The safety is an ambidextrous top tang design.
- The receiver and major metal components are steel.
Built to the standards expected of duty shotguns, the 590A1 combines a heavy-walled barrel and proven pump-action reliability with modern ergonomics like an M-LOK forend and XS Ghost Ring sights. Its service-focused features make it well suited for users seeking a robust, straightforward shotgun for defensive and duty applications.
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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