Mossberg 590A1 Mil-Spec 12 Gauge Shotgun with M-LOK Forend - 6 Shot - 18.5"

Manufactured by Mossberg
SKU: 50766
MPN: 50766
Manufactured by Mossberg
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NOTE: Limit 20 per household. Quantities exceeding 20 will not allow checkout.

Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to



The Mossberg 590A1 Mil-Spec 12 Gauge Shotgun with an M-LOK Forend and 18.5" barrel comes from the factory with a 6+1 capacity. This 590A1 Tactical is perfect for home defense with its shorter barrel and an M-LOK handguard for attaching lights and other accessories. It features a black synthetic stock to with rubber recoil pad help limit recoil and create a reliable shoulder/gun connection. The 590A1 Mil-Spec design is based upon Mossberg’s proven pump action design ensuring optimal performance when it counts. The 590 boasts a durable aluminum receiver with a black parkerized finish for a long service life and an aesthetically pleasing matte black barrel and magazine tube. The 590A1 features a heavy walled barrel designed to withstand extreme abuse and even helps to tame recoil because of the added weight. Like other 590 shotguns, it features non-binding twin action bars for reliability and positive steel to steel lock-up for performance, an anti-jam elevator and dual extractors for consistent cycling, and an ambidextrous top-mounted safety. If you are looking for a simple pump action 12 gauge for home defense or maybe you just think it looks cool, check out the Mossberg 590A1 Mil-Spec.

  • Manufactured by Mossberg
  • Pump action 
  • 12 Gauge
  • 13.87" Length of pull
  • 18.5" Barrel
  • 6 + 1 capacity
  • Synthetic stock with rubber recoil pad
  • Brass bead front sight
  • M-LOK Forend

Since 1919, Mossberg has been the leader in introducing important design advances to the firearms industry. Through design and an innovative edge, Mossberg is truly changing the way shooters use shotguns and rifles. Mossberg brings reliable, well-built shooting systems to you at an affordable price.
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ActionPump Action
Barrel Length18.5
Caliber Gauge12 Gauge

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