Magpul PMAG 40 AR/M4 Gen M3 5.56x45mm Magazine - MAG233

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Magpul PMAG 40 AR/M4 Gen M3 5.56x45mm Magazine - MAG233

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$ 19.95
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$ 19.95

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Quick Overview

SKU: 35995c
  • Next-generation impact and crush resistant polymer construction
  • 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
  • Long life stainless steel spring
  • 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 to allow for identification marking
  • 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

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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 expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to 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, four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly to ease 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 optionally be used to minimize debris intrusion and protect against potential damage to the top cartridge during storage and transit.

Made in U.S.A.

SKU: 35995c
SKU 35995c
Department Holsters Mags Class III Acc
Brand Magpul
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SKU: 35995c

Questions and Answers

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Browse 3 questions Browse 3 questions and 6 answers
Is the PMAG 40 GEN M3 available in OD GREEN ?
Moe3rd on Oct 8, 2018
BEST ANSWER: Just buy this one and a bottle of rit dye. You can make it whichever shade of green you want and it'll only take 7 minutes
Will this fit .300 Blackout ammo?
Layton W on Mar 19, 2019
BEST ANSWER: Yes it will, just make sure you dont accidentally put it in your .223! Magpul does make a specific mag for 300 blk
Will 458 socom work in this magazine?
Tyler Y on Jul 24, 2019

The Magpul website does not state what other calibers it will work with. Please e-mail or call Magpul to see if they guarantee .458 will work with their 40rd PMAGS.

Best Regards,
(Name Redacted)
PSA Customer Service


5.0 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great Mag
Feels good in the hand and so far has worked really well. Would def buy again.
July 12, 2019
2 months ago
Good Service
Arrived in less than a week, no problems
July 11, 2018
1 year ago
Awesome love it! The round indicator is a nice touch. Love the cover to keep trash out of your magazine while you’re mucking around.
June 18, 2018
1 year ago

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