The Mossberg 590A1 is the most durable of our pump action shotguns, meeting MIL-SPEC 3443G, with its heavy-walled barrel, metal trigger guard and safety, clean out mag tube, and Parkerized finish. Its hearty construction and proven endurance make it a prime choice for home defense applications.


  • 7-Shot and 9-Shot (6-Shot for NFA/Class 3)
  • 12 Gauge
  • MIL-SPEC construction (MIL-S-3443E): 
    • Heavy-Walled barrel
    • Metal trigger guard and safety button
    • Clean-out magazine tube
  • Drilled and tapped receiver
  • Various sight, stock, and forend configurations
  • Parkerized or Marinecote™ finishes
  • Standard pump-action features include dual extractors, steel-to-steel lockup, top-mounted ambidextrous safety, twin action bars, and anti-jam elevator

A cleanout magazine tube with cap is standard on all 590A1 models. 9-Shot models also come with a bayonet mounting lug

A majority of 590A1 models are fitted with adjustable Ghost Ring sights —standard (left) or XS rail-mounted (right), providing superior sighting for target acquisition in a variety of low-light situations.

The Mossberg signature top-mounted safety is conveniently located and highly visible for ease of use for right- or left-handed shooters.

The strapped forend on the NFA/Class 3 model helps keep the lead hand clear of the muzzle when cycling the action.

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590A1™ / 12 Products

590A1™ / 12 Products