Product Description
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.
Similar to the MOE PMAG, the GEN M3 features a long-life USGI-spec stainless steel spring for commonality, 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.
Features:
- 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 USGI-spec 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 additional protection in storage and transit
Product Videos
Custom Field
Product Reviews
51 Reviews Hide Reviews Show Reviews
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Dust cover not included anymore.
I received two of these, one had the dust cover one did not, further research one was from 2022 the other 2025 and the packaging for 2022 shows included, while 2025 shows compatible. So it’s been updated from Magpul. Not thrilled but it’s not the end of the world.
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Magpul PMAG 20-Round GEN M3 AR/M4
Magpul says it all
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For my new build
Pmag what can you say
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It's a pmag
It's a pmag
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Excellent Magazine
What can I say.. excellent magazine... works fantastic with no problems. Easy to load and to lock into the gun.
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\Magpul PMAG 20-Round GEN M3 AR/M4 Magazine
I found the product price lower than most competitors, so I ordered 3 p-mags for my son. A day later I received a tracking notice, and after another three days I hit the tracking number which said my package was delivered by UPS to a front desk in New Jersey. I then looked everywhere for a phone number for Arms Unlimited site and could find nothing but a an e-mail address. I wrote that possibly they had mis-labled my order which ended up on the east coast. A rather curt reply came which showed a picture of the shipping lable which had the correct address, but no explaination of why it was in New Jersey. There was included a comment that the shipper wasn't UPS but USPS, even though the tracking numner was definately UPS. As I discovered, UPS carries the package to a point, then transfers it to USPS mail to complete the delivery which took about 3 weeks. My experience with this company is that I will probably not use them in the future.
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Magpul Pmag 20rd GenIII
Excellent magazine! Size is perfect for bench shooting and the dot matrix makes it easy to label or number your magazines. I am using them with 300 Blkout and they feed with zero issues.
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Magpul PMAG 20-Round
Great mag and a Great price
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magpul pmag 20 round
best price around!
