MOSSBERG 590S Optics Ready 12GA 18.5″ 9RD 1.75″-3″


For the ultimate in shooting flexibility, the all-new Optics Ready 590S Series cycles 1.75″, 2.75″, or 3″ shells. Pick one shotshell length for specific shooting needs, or simultaneously load any combination of those shell lengths. The choice is yours with the 590S.  Features standard Mossberg Pump-Action Features: Dual extractors, twin action bars, positive steel-to-steel lockup, and anti-jam elevator provide smooth operation. Other features include top-mounted ambidextrous safety, matte blue metal finish, magazine clean-out tube with cap, and a logo-engraved receiver.

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UPC: 015813516051 | MPN: 51605 | SKU: 59053 Categories: , Tags: , , , , Brand:


MOSSBERG 590S Optics Ready 12GA 18.5″ 9RD 1.75″-3″

Choose from Three Different Shell Lengths with the Mossberg 590S

  • Optic-Ready
  • Cycles 1.75”, 2.75” or 3” shells interchangeably
  • No need for mini shell adaptor
  • Redesigned Elevator, Bolt Slide and a new Energy-Absorbing Bumper
  • Standard features include dual extractors, twin action bars, steel-to-steel lockup and ambidextrous safety

Shotguns are popular firearms for a number of good reasons, but one of those reasons is their ability to use a wide range of different types of ammunition. Mossberg keeps this feature at the forefront of their 590S lineup of shotguns. The newly designed elevator allows for these shotguns to cycle 3″ shells, 2-3/4″ shells, and even the increasingly popular 1.75″ shells! The 590S retains the same tried and true features from the 590 series such as dual extractors, twin action bars, positive steel-to-steel lockup, and a top-mounted ambidextrous safety switch. A synthetic stock and forend make this a lightweight but rugged shotgun, and with its 18.5″ barrel it’s also highly maneuverable. Additionally, this model comes optics ready and accepts direct mounting of Shield RMSc pattern red dot sights. For the ultimate in home defense capability, you need the 590S pump action shotgun from the legendary firearms experts at Mossberg.

Mossberg 590S Optics Ready Specifications and Features

  • Mossberg Item Number: 51605
  • Pump Action Shotgun
  • 12 Gauge
  • 18.5″ Cylinder Bore Barrel
  • 3″ Chamber (Also Accepts 1-3/4″ and 2-3/4″ Shells)
  • Capacity: 5 (3″ shells), 6 (2-3/4″ shells), 9 (1-3/4″ shells)
  • Optics Ready (accepts Shield RMSc pattern optics)
  • Bead Front Sight
  • Dual Extractors
  • Twin Action Bars
  • Positive Steel-to-Steel Lockup
  • Redesigned Elevator
  • Top-Mounted Ambidextrous Safety
  • Black Synthetic Stock and Forend
  • Length: 39.5″
  • Weight: 6.75 lbs.
  • Matte Blued Finish

Additional information


12 Gauge


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