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MAGPUL PMAG 20 ROUND 7.62 LR/SR Gen M3 Magazine MCT


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MPN: MAG291-MCT UPC: 840815123095 SKU: MAG291-MCT Categories: ,


The Magpul MCT PMAG 20 LR/SR GEN M3 brings the M3 improvements to the 20 round 7.62 NATO/.308 Winchester SR-25 magazine form factor. All of the GEN M3 improvements are here in the 20 round capacity form factor of our previous design. The PMAG 20 LR/SR GEN M3 will replace the MAG243 in their line.

The 7.62×51 NATO (.308 Winchester) PMAG 20 LR/SR GEN M3 is a lightweight, cost-effective, highly reliable magazine for SR25/M110 pattern rifles. It features a true 20-round capacity, a constant-curve body, an anti-tilt follower, and a snap-on impact/dust cover.

The GEN M3 PMAGs features a long-life stainless steel spring, an anti-tilt, self-lubricating follower, and constant-curve internal geometry for reliable feeding.

Low profile ribs and an aggressive front and rear texture give positive control of the GEN M3 in all environments, and a paint pen dot matrix at the bottom panel of the body to allow easy marking by the end user for identification. The easy-to-disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection, and 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. Its simple, tool-less disassembly makes for easy cleaning and maintenance.

Designed specifically for SAAMI-spec ammunition, the PMAG 20 LR/SR GEN M3 is less than half the weight of standard issue steel magazines and maintains a service life round count approximately equal to the rifle barrel itself.

Made in the USA.

Caliber: 7.62x51mm / .308 Winchester
Platform: AR10, M110, SR25
Capacity: 20
Compatibility: Armalite AR-10A, Colt LE901-16S, CORE Rifle Systems CORE30, JP Enterprises LRP-07, KAC SR25, LaRue OBR, Les Baer .308, LMT .308 MWS, LWRCI REPR, Mega Arms MATEN, Noveske Gen III N6, POF P-308, Ruger SR-762, Ruger Precision Rifle, S&W M&P10, SIG716, others Other Specs: Optimized for use with SAAMI-spec 7.62×51/.308 Winchester ammunition.

*NOTE: Compatible with older model Bushmaster .308 ORC, Remington R-25, and DPMS LR308 rifles, but not optimized for bolt lock functionality with newer models based on the DPMS GII design. NOT compatible with Armalite AR-10B, Springfield Armory M1A, Rock River Arms LAR8, FN SCAR 17S, PTR-91, HK417 or any other rifles that utilize M14, FN FAL, or HK 91/G3 patterned magazines.

To accommodate longer than SAAMI-spec match ammunition, this magazine may not drop free from all makes of lower receivers.

Additional information

Weight 0.4 lbs
Dimensions 6 × 4 × 1.2 in


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Magpul Industries

Magpul Industries Corporation is an American designer and manufacturer of high-tech polymer and composite firearms accessories like M-LOK. Magpul Industries takes its name from its first product, the MagPul (Magazine Puller), an accessory for the STANAG magazines used by NATO armed forces, which aids users in pulling magazines from pouches. Originally based in Boulder, Colorado, Magpul announced its intention to leave the state in 2013 when a proposed magazine capacity law would cause many of its products to become illegal in Colorado. After passage of the law, Magpul relocated its production facilities to Wyoming and corporate offices to Austin, Texas.


Magpul's eponymous magazine pullers
Magpul Industries was founded in 1999 by Richard M. Fitzpatrick, a Force Recon sergeant with the US Marine Corps. The company has two divisions: Magpul Industries, which manufactures firearms accessories and Magpul Core which was founded in 2008 as Magpul Dynamics. Magpul Core provides firearms training and produces instructional videos. Magpul primarily designs, manufactures and distributes polymer magazines, accessories and gun parts for AR-15/M16/M4AK-47/AK74Steyr AUG, and Heckler & Koch G36 rifles, and Remington 870 and Mossberg 500 shotguns. Magpul has also expanded into rifle chassis production for the Remington 700Ruger 10/22 and Ruger American Rifle, as well as magazines and accessories for Glock pistols.
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