590A1™ Class III Shotguns

MilSpec Construction: As the only pump-actions to pass the rigorous MilSpec 3443E classification, the 590A1 series has been the go-to firearm of choice for military and law enforcement agencies worldwide for decades.
590A1 Class III features: 14” Heavy-walled barrel; durable Parkerized finish; Metal trigger guard/safety button; Convenient magazine tube clean-out cap; and a forend strap to keep the shooter’s lead hand clear of the muzzle.
All 590A1 models include the features that have made the Mossberg pump-action family legendary — Ambidextrous safety; Dual extractors; Twin action bars; Positive steel-to-steel lockup; and an Anti-jam elevator ensuring smooth operation.
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