OIC Challenge: Magpul PMAG 40 AR/M4 GEN M3 Magazine - 5.56x45 NATO, 5/40 Rounds, Custom Laser Engraving, 2 Pack

Out of stock

Please contact gunsmith@theshootingcentre.com, after placing your order,  to discuss your custom laser engraving.

  • 1 design applied to each magazine on a single surface.


All proceeds from purchases of these will go to the OIC Challenge.

  • Donated By: Calgary Shooting Centre
  • Purchased By: David C.

The next-generation PMAG 40 GEN M3 is a 40-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with an expanded feature set and greater compatibility, it incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability that exceed rigorous military performance specifications.

While the GEN M3 is optimized for Colt-spec AR15/M4 platforms, modified internal and external geometry also permits operation with a range of additional weapons such as the HK® 416/MR556A1/M27 IAR, British SA-80, FN® SCAR~ MK 16/16S, and others.

The PMAG 40 GEN M3 features a long-life stainless steel spring, a four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly for easy cleaning.

In addition, a redesigned bolt catch notch in the rear of the magazine provides increased bolt catch clearance, while an over-travel stop on the spine helps ensure the magazine will not over-insert on compatible weapons. Low profile ribs and new aggressive front and rear texture gives positive control of the GEN M3 in all environments, and a paint pen dot matrix has been added to the bottom panel of the body to allow easy marking by the end user for identification.

The new, easy to disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection, but is slightly slimmer than before for better compatibility with tight double and triple magazine pouches. An included pop-off impact / dust cover can be used to minimize debris intrusion and protect against potential damage to the top cartridge during storage and transit.

Made in the USA.


Next-generation impact and crush resistant polymer construction
Long-life stainless steel spring
Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling
Modified dimensions allow for wider compatibility with non Colt-spec platforms


Constant-curve internal geometry for smooth feeding
Anti-tilt, self-lubricating follower for increased reliability
Over-travel insertion stop on the spine
Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling


Paint pen dot matrix panels on the bottom of the body for easy identification


Flared floorplate aids magazine handling and disassembly, yet is slim enough for use with many double and triple pouches
Pop-off impact / dust cover to minimize debris intrusion and for ammunition protection in storage and transit


Technical Specifications

  • Caliber: 5.56 x 45
  • Platform: AR15, M4, M16
  • Capacity: 5/40
More Information
Product Code MAG233-BLK-5
Brand Magpul
Cartridge 5.56x45mm
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