Description
Mossberg 590A1 XS Security – M-LOK Forend, Ghost Ring Sights
Mission-Ready. Built to Exceed Military Standards.
The Mossberg 590A1 XS Security is the ultimate heavy-duty pump-action shotgun, designed to meet and exceed MIL-SPEC 3443E standards. Outfitted with a 20″ heavy-walled barrel, M-LOK® forend, and XS ghost ring sight system, this 12-gauge powerhouse is purpose-built for tactical defense, duty, and high-stress environments.
Whether you’re outfitting a patrol unit or upgrading your home defense platform, the 590A1 XS Security delivers unmatched reliability, rugged construction, and tactical versatility.
Key Features:
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12-Gauge Pump-Action – Designed for 2¾” and 3″ shells with legendary Mossberg reliability
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M-LOK® Compatible Forend – Attach lights, grips, or other tactical accessories with ease
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XS Ghost Ring Sights – High-visibility, adjustable rear ghost ring and front blade for fast and precise aiming
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Heavy-Walled Barrel – 20″ parkerized barrel with fixed cylinder bore for consistent performance and extreme durability
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Tough as Nails – All-metal trigger guard and safety, dual extractors, and twin action bars for smooth, reliable cycling
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Ambidextrous Tang Safety – Intuitive and easy to operate under stress
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Drilled & Tapped Receiver – Ready to accept optics or rail mounts for enhanced customization
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MIL-SPEC Certified – Built to the same standards demanded by military and law enforcement worldwide
Specifications:
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Gauge: 12
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Chamber: 2¾” and 3″
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Capacity: 8+1
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Barrel Length: 20″ Heavy-Walled
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Sight System: XS Ghost Ring Rear / Blade Front
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Stock: Synthetic, Black
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Forend: M-LOK® Compatible
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Finish: Parkerized
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Overall Length: Approx. 41″
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Weight: Approx. 7.25–7.75 lbs
The gold standard in combat-ready pump shotguns.
With rugged durability, superior ergonomics, and tactical flexibility, the Mossberg 590A1 XS Security with M-LOK is built for those who rely on their firearm when it matters most.





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