Item #:
015813502191
UPC: #:
015813502191
availability:
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Mossberg 590M 12 Gauge Shotgun 18.5" Barrel 10+1 Capacity Black

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The Mossberg 590M delivers magazine-fed firepower in a proven tactical platform designed for serious applications. This 12-gauge shotgun combines the reliability of the legendary 590 series with the speed and versatility of detachable magazine feeding.

What Makes This Different

Unlike traditional tube-fed shotguns, the 590M accepts detachable box magazines that enable rapid reloading under pressure. The magazine system eliminates the shell-by-shell loading process, reducing reload times from 8-10 seconds to under 3 seconds with practice. This tactical advantage makes the 590M particularly effective for competitive shooting, law enforcement applications, and home defense scenarios where quick follow-up shots matter.

Key Features

  • Detachable 10-round double-stack magazine with anti-tilt follower
  • 18.5-inch barrel with cylinder bore choke for maximum versatility
  • Dual extractors and positive steel-to-steel lockup for reliable cycling
  • Ambidextrous safety located behind the trigger guard
  • Drilled and tapped receiver accepts Weaver/Picatinny rail systems
  • Heavy-walled barrel rated for 2¾-inch and 3-inch magnum shells
  • Matte black finish resists corrosion and reduces glare
Field testing demonstrates consistent cycling with various shell types from light target loads to heavy buckshot and slugs. The magazine system functions reliably in temperatures from -20°F to 140°F, maintaining feeding consistency in harsh conditions. Law enforcement agencies report improved engagement times during building clearing exercises, while competitive shooters appreciate the reduced reload complexity during 3-gun matches.

Technical Specs

  • Gauge: 12 gauge, 2¾" and 3" chamber
  • Barrel Length: 18.5 inches with cylinder bore
  • Overall Length: 38.5 inches
  • Weight: 7.25 pounds unloaded
  • Capacity: 10+1 rounds with included magazine
  • Action: Pump-action with dual action bars
  • Stock: Synthetic black with textured grip surfaces
  • Finish: Matte black Parkerized metal finish
  • Sights: Bead front sight, ghost ring rear available
  • Country of Origin: United States
The 590M represents a significant evolution in tactical shotgun design, addressing the reload speed limitations that have long defined the platform. Professional users gain a measurable advantage in dynamic situations where every second counts.