Magpul® PMAG 20 LR/SR GEN M3, 7.62x51 Magazine

(15 reviews)
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Magpul PMAG® 20 LR/SR GEN M3, 7.62x51 Magazine

The PMAG® 20 LR/SR GEN M3 brings many of 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 of our previous design. The PMAG® 20 LR/SR GEN M3 replaces the MAG243 in our line.

The 7.62x51 NATO (.308 Winchester) PMAG® 20 LR/SR GEN M3 is a lightweight, cost effective, high reliability magazine for SR25/M110 pattern rifles featuring true 20-round capacity, constant-curve body, anti-tilt follower and snap on Impact/Dust Cover. Designed specifically for military-issue MK11/M110 rifles and mil-spec ammunition (including M118LR), the PMAG 20LR/SR 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.

  • Optimized for use with 7.62x51 NATO (.308 Winchester) ammunition with an overall cartridge length less than 2.820", including M118LR
  • Additional commercial rifle compatibility includes the KAC SR25, DPMS LR308, LWRCI REPR, LaRue OBR, Bushmaster .308 ORC, LMT .308 MWS, Remington R-25, POF P-308, JP Enterprises LRP-07, Les Baer .308, Colt LE901-16S, the new Armalite AR-10A, S&W M&P10, and others. NOTE: NOT compatible with Armalite AR-10B, Noveske N6, 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
  • Next-generation impact and crush resistant polymer construction
  • Constant-curve internal geometry for smooth feeding
  • Anti-tilt, self-lubricating follower for increased reliability
  • Multi-use Impact/Dust Cover keeps dust and dirt out of the magazine and protects the top cartridge from potential damage during storage and transit
  • High-quality stainless steel spring for corrosion resistance
  • 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 pouches
Made in the U.S.A.


  • 5

    Posted by Juan de Dios Lomeli on 15th Apr 2021

    Excellent product

  • 5
    7.62 magazine

    Posted by JN on 25th Jun 2020

    Great product would definitely buy again. thank you

  • 5

    Posted by Jon Cano on 3rd Oct 2019

    Smooth, easy to deal with, and fast delivery. I couldn't ask for anything more. SKD has my business for the forseable future.

  • 5
    Best price, lighting fast shipping!

    Posted by Martin Belak on 24th Jun 2016

    ...not too much to add. Skdtac is the best overall. Period.

  • 4
    Magpul PMAG 20 LR/SR GEN M3, 7.62x41

    Posted by Reginald L on 8th Jun 2016

    I Brought this for My Smith Wesson m&p10 308, works great I order from SKD tactical in stock ship right out brand new out of the box.

  • 5
    Great Product

    Posted by White43210 on 8th Oct 2015

    Another great product from Magpul. Better price than the Lancer mags. I have PMAGS for my AR, SR, and more recently my AK. No problems.

  • 4

    Posted by Unknown on 8th Oct 2015

    Speedy delivery! My purchase from SKD was flawless, however I was unable to acquire the rifle in question so I now have magazines for a rifle I don't possess. Need to swap them out for some AK Magazines! I don't see any issues though.

  • 5
    Needed additional magazines

    Posted by Steven Meadows on 7th Jul 2015

    Thank you for the prompt service and great prices.

  • 5
    Excellent Mags

    Posted by Charles Juenemann on 1st Jan 2015

    Fast shipment. Thanks folks.