The Mossberg 590A1 Tactical in 12 gauge with a 20-inch parkerized barrel (brand part no. 51773) upgrades the duty-proven 590A1 platform with a Magpul SGA stock and MOE forend designed specifically for Mossberg tactical shotguns. Mossberg pairs the Magpul furniture with XS ghost ring sights, an ambidextrous top tang safety, and a fixed cylinder bore choke. Dual extractors, twin action bars, and positive steel-to-steel lockup keep the action cycling reliably, the same construction that’s made the 590A1 a duty weapon of choice for military and law enforcement worldwide. Among pump-action shotguns, this 590A1 favors buyers who want Magpul ergonomics on a duty-grade platform.

Key Specifications

• Chambered in 12 gauge.
• Operates as a pump-action shotgun.
• Features a 20-inch heavy-walled barrel finished in black parkerized steel.
• Feeds from a magazine with an 8+1-round capacity.
• Built with a Magpul SGA stock and MOE forend.
• Equipped with XS ghost ring adjustable sights.
• Fitted with a fixed cylinder bore choke.
• Runs an ambidextrous top tang safety.
• Ships at approximately 10.1 pounds.

Frequently Asked Questions

What furniture does this 590A1 use? A Magpul SGA stock and MOE forend, designed specifically for Mossberg tactical shotguns.

What sights does it include? XS ghost ring adjustable sights.

Buy the Mossberg 590A1 Tactical Shotgun

Magpul ergonomics on a proven duty-grade platform is exactly what this 590A1 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.