Mossberg 590A1 XS Security 8RD, 20", Tactical Shotgun

The Mossberg 590A1 XS Security 9-Shot is one of the most rugged and battle-proven pump-action shotguns ever produced, engineered to meet stringent MIL-SPEC 3443G standards for durability, reliability, and hard-duty tactical performance. Designed for serious defensive applications, law enforcement use, and home security, the 590A1 XS Security combines Mossberg’s legendary pump-action dependability with premium tactical enhancements built to withstand extreme conditions.

Built with true MIL-SPEC Construction, the 590A1 features a heavy-walled barrel, metal trigger guard, and metal safety for superior durability and long-term reliability under demanding use. Its rugged parkerized finish further enhances corrosion resistance while maintaining the shotgun’s professional tactical appearance.

The shotgun comes equipped with premium XS Ghost Ring sights, providing extremely fast target acquisition and enhanced precision in low-light and defensive scenarios. The highly visible sight system allows shooters to quickly align on target while maintaining improved accuracy at extended defensive distances, making the XS Security configuration ideal for tactical and home defense roles.

A major advantage of the 590A1 platform is its integrated cleanout magazine tube, designed for easier maintenance and simplified cleaning of the magazine assembly. This feature improves long-term reliability and allows shooters to quickly service the firearm after heavy use.

The rugged M-LOK® compatible forend offers extensive customization options for mounting lights, lasers, vertical grips, and additional tactical accessories. Its slim ergonomic design improves handling while maintaining exceptional durability and modularity for modern defensive setups.

Additional proven Mossberg features include dual extractors, steel-to-steel lockup, twin action bars, an anti-jam elevator, and Mossberg’s signature ambidextrous top-mounted safety for intuitive operation by both right- and left-handed shooters.

With its military-grade durability, premium tactical features, and trusted pump-action reliability, the Mossberg 590A1 XS Security 9-Shot remains one of the premier defensive shotguns available today.

Key Features

590A1 XS Security tactical configuration

Heavy-duty MIL-SPEC 3443G Construction

Premium XS Ghost Ring sights

Durable heavy-walled barrel

Tactical M-LOK® compatible forend

Integrated cleanout magazine tube

Metal trigger guard and safety

Twin action bars for smooth reliable cycling

Anti-jam elevator system

Ambidextrous top-mounted safety

Steel-to-steel lockup system

Ideal for tactical and home defense applications

Important Specs

Manufacturer: Mossberg

Model: 590A1 XS Security 9-Shot

UPC: 015813507684

SKU: 50768

Gauge: 12 Gauge

Action: Pump-Action

Chamber Size: 3"

Capacity: 8+1

Barrel Length: 20"

Barrel Type: Heavy-Walled

Barrel Finish: Parkerized

Choke: Cylinder Bore

Sights: XS Ghost Ring

Stock: Synthetic Black w/ Shell Storage (4)

Forend: M-LOK® Compatible

Safety: Ambidextrous Top-Mounted

Length of Pull: 13.87"

Overall Length: 41"

Weight: 7 lbs

Usage: Security / Tactical

Receiver: Drilled and Tapped

Trigger Pull: Approx. 5.5 - 7.5 lbs

Included In The Box

Mossberg 590A1 XS Security 9-Shot Shotgun

Owner’s Manual

Cable Lock