Mossberg 590M 12 Gauge 18.5-Inch Pump Shotgun

The Mossberg 590M is a 12 gauge mag-fed pump-action shotgun configured with an 18.5-inch heavy-walled barrel and tungsten Cerakote finish. It combines a detachable 10-round magazine with ghost ring and front fiber-optic sights for practical use at the range, in the field, or for other lawful applications.

The receiver is configured for optics, and the adjustable stock provides a 12- to 13-inch length of pull. Additional design elements include dual extractors, steel-to-steel lockup, a top-mounted ambidextrous safety, twin action bars, and stabilizing ribs that engage the receiver when the magazine is mounted.

Key Specifications

• The firearm is chambered in 12 gauge.
• The action is pump action.
• The barrel measures 18.5 inches and uses a heavy-walled design.
• The barrel and metal surfaces feature a tungsten Cerakote finish.
• The shotgun uses a cylinder bore choke.
• The supplied detachable magazine holds 10 rounds.
• The capacity is listed as 10+1.
• The sight system includes a metal ghost ring rear sight with front fiber optic.
• The stock is a synthetic design with adjustable length of pull.
• The length of pull adjusts from 12 to 13 inches.

With its magazine-fed configuration, corrosion-resistant finish, adjustable stock, and practical sighting system, the 590M offers a straightforward platform for shooters who value durable construction and adaptable handling. Its established pump-action layout and included 10-round magazine make it a capable addition to a well-organized sporting collection.

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