The Mossberg 590A1 in 12 gauge (brand part no. 50767) is a pump-action shotgun built around an 18.5-inch cylinder-bore barrel, finished in corrosion-resistant silver Marinecote, one of two finishes on the only pump-action shotgun to pass MilSpec 3443E testing. Mossberg tops the 590A1 with a bead sight and equips it with an ambidextrous top tang safety. Among pump shotguns in the pump action shotguns category, the 590A1 Marinecote favors shooters who need corrosion protection in marine or humid environments.

Key Specifications

• Chambered in 12 gauge.
• Operates as a pump-action shotgun.
• Features an 18.5-inch cylinder-bore barrel.
• Feeds from a tubular magazine with a 6-round capacity.
• Equipped with a bead sight.
• Runs an ambidextrous top tang safety.
• Fitted with a cylinder bore choke.
• Built with an M-LOK forend.
• Finished in corrosion-resistant silver Marinecote.
• Passes MilSpec 3443E testing.

Frequently Asked Questions

Why choose the Marinecote finish? It resists corrosion in marine and humid environments.

Has this platform been tested to a military standard? Yes, the 590A1 is the only pump-action shotgun to pass MilSpec 3443E.

Buy the Mossberg 590A1 Marinecote 12 Gauge

Corrosion protection in marine or humid environments is exactly what the 590A1 Marinecote delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.