




Magpul PMAG AR/M4 Gen M3, Black
$14.20
Magazine Capacity:20 rounds
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Description
- Caliber: 5.56x45mm NATO/.223 Remington
- Crush-resistant polymer body withstands impacts, drops, and pressure without cracking or splitting.
- Tested in extreme heat, cold, mud, and sand to guarantee performance when it matters most.
- The anti-tilt, self-lubricating follower ensures a smooth feed and magazine reliability.
- Modified dimensions allow for wider compatibility with non Colt-spec platforms.
- Utilize the paint pen dot matrix to easily identify magazines with different loadouts.
- Improved flared floorplate aids magazine handling and disassembly.
- Slim enough for use with many double and triple pouches.
Made in the U.S.A, the PMAG 20 AR/M4 GEN M3 is a polymer magazine for AR15/M4 compatible weapons. Similar to the MOE PMAG, the GEN M3 features a long-life USGI-spec stainless steel spring for commonality, a four-way anti-tilt follower, constant-curve internal geometry for reliable feeding, and simple tool-less disassembly for easy cleaning. It also features a redesigned bolt catch notch in the rear of the magazine that 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 textures give 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 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.
Specifications
Overall Rating
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10 of 47 Magpul PMAG AR/M4 Gen M3 Reviews

Performs as expected. One of the best magazines to use. Always loads properly and loads into your lower receiver perfectly.

20rd is perfect for bench work. New color is very nice.

Not that the gen 2 were bad at all, but these feel like they are an even more solid mag. Love βem. No complaints.

As usual works perfectly, no misfeeds, solid lockup, Magpul is the only mag I use in my AR.

Awesome product as always, fit and function are spot on , the added plus they match my Sons of Liberty to a T .. πππΊπ²

Work great just like everything Magpul makes, you can trust your life too it

Great magazine when a pistol is your primary. I run this magazine on my patrol duty belt because the 30 round mags tend to dig into my side when riding in a vehicle. The 20 round magazine is the perfect alternative! Highly recommend!

Reasonably priced AR magazine that works every time!

Excellent product; reasonable price. Just wish you'd make magazines for the .450 Bushmaster AR; .350 Legend AR as well!
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May 08, 2026
By West Coast of Iowa
I pack 1 each 20 round magazine with my combat load-out, 7 each 30 round magazines. I have 2 combat load-outs with 62 grain green tips, and 2 with 55 grain. 230 rounds per load-out.