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015813507684
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015813507684
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Mossberg 590A1 Tactical 12 Gauge 20" 8+1 M-LOK Ghost Ring

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The Mossberg 590A1 Tactical delivers proven reliability in a configuration built for serious applications. This 12-gauge platform combines military-grade construction with modern tactical enhancements for law enforcement, home defense, and competitive shooting.

What Makes This Different

Built to military specification 3443E, the 590A1 features a heavy-walled barrel rated for continuous use that standard shotguns cannot match. The aluminum receiver provides corrosion resistance while maintaining the lightweight handling characteristics that make this platform effective in close quarters. XS Ghost Ring sights deliver faster target acquisition than standard bead sights, particularly in low-light conditions.

Key Features

  • 20-inch cylinder bore barrel with heavy wall construction for extended service life
  • 8+1 capacity with 3-inch chamber capability for versatile ammunition selection
  • XS Ghost Ring sight system for rapid target engagement
  • M-LOK compatible handguard accepts accessories without permanent modification
  • Fixed stock with integrated storage compartment for spare ammunition or tools
  • Ambidextrous safety and dual extractors for reliable function
  • Parkerized finish provides corrosion protection in harsh environments
Field performance demonstrates consistent cycling with both 2¾-inch and 3-inch shells across temperature ranges from -20°F to 140°F. The cylinder bore configuration patterns effectively with buckshot at defensive distances while maintaining acceptable accuracy with slugs to 100 yards. Law enforcement agencies report minimal maintenance requirements even after thousands of rounds.

Technical Specs

  • Gauge: 12-gauge, 3-inch chamber
  • Barrel Length: 20 inches, cylinder bore
  • Overall Length: 41 inches
  • Weight: 7.25 pounds
  • Capacity: 8+1 rounds
  • Stock: Fixed synthetic with storage compartment
  • Sights: XS Ghost Ring rear, tritium front post
  • Safety: Ambidextrous tang-mounted
  • Finish: Parkerized metal, matte black synthetic
  • Made in USA with limited warranty
The 590A1 Tactical represents decades of refinement in pump-action design with modern tactical upgrades. Professional users choose this platform for its documented reliability record and the confidence that comes from military specification construction.