Magpul PMAG GEN M3 AR-15 .223/5.56 40-Round Magazine – GunMag Warehouse


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  • Pop-off Impact/Dust Cover to minimize debris intrusion and for ammunition protection in storage and transit
  • Modified dimensions for platforms such as the HK416/MR556A1/M27 IAR, British SA-80, FN SCAR™ MK 16/16S
  • Over-travel insertion stop on the spine

State Capacity Restriction:
This product can’t be shipped to California, Colorado, Connecticut, District of Columbia, Maryland, Massachusetts, New Jersey, New York, Vermont due to magazine capacity restrictions. If you purchase this magazine and live in one of these states we will refund your bitcoin minus a $10 service fee.


This is an AR-15 Gen M3 PMAG 40-round extended magazine in 5.56mm/.223 Rem.

With impact-resistant polymer construction, USGI-spec stainless steel internal springs, and Magpul’s constant curve internal geometry, these Gen M3 magazines are the perfect upgrade to any AR-15 arsenal.

Magpul’s Gen M3 PMAG magazines combine the combat-ready reliability of previous PMAGs with additional features like a paint pen dot matrix for easy labeling, redesigned bolt catch, over-insertion stop and aggressive grip texturing for superior performance.

Other new features include the pop-off impact/dust cover, flared floorplates and slimmer design for easier handling and storage in tight magazine pouches.

And thanks to their upgraded internal & external geometry, these Gen M3 PMAGs can also be used with a wide variety of non Colt-spec platforms ranging from the M27 IAR, British SA-80, and FN SCAR MK16/16s to the HK 416 and MR556A1.

Grab a few 40-round PMAGs to complete Your AR arsenal and double down on firepower today!

Magpul magazines are proudly made in the U.S.A.


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