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M14 30 round magazine

  • Side of magazine. The slight curve in the body visible, this curve corrects for the taper of the cartridge.
  • Top of magazine showing the reinforced stamping on the feed lips. Also visible is the larger tab on the follower that activates the bolt stop when empty.
  • Reinforced front contact point.
  • Front of magazine.
  • Back of magazine.
  • Floor plate is made for easy removal to allow for cleaning. Center button is depressed and the floor plate is slid forward allowed to rise and then slid to the back to disengage from the body.
  • Showing locked into a Springfield Armory M1A.
  • Comparing length with a 10 round SAI mag, a 20 round CMI mag,  a 25 round CMI mag, to a Csspecs 30 round.
Note that the additional length ratio is roughly the same as the 20 and 25 round.
  • Comparing approximate size of a 30 round Csspecs M14 mag to a 30 round AK magazine. Note that the magazine takes about the same squared area. Interestingly the M14 mag is slightly lighter.
Current Stock:

Product Description

 In stock 11-24-22 at noon eastern 


Many 30 round magazines for the M-14 have been made over the last 50+ years, few have been deemed reliable.

This new design not just a stretched 20 round but is made to be a true working 30 round magazine.

Corrugated stampings on the feed lips prevent deforming with the higher spring loads needed for 30 round magazine.

Front catch is reinforced with an additional layer to reinforce this critical location.

Magazine is curved after a short straight section to prevent low feeding.

Floor plate is removable without tools to allow easy cleaning.

Follower is laser cut to allow exaggerated bolt stop.

Rear contact point is fully CNC milled and conventionally spot welded rather than projection welded.

Magazine is 8.625 long and weighs 12 ounces empty.

Magazine finish is Black Nitride.

The finish is an industrial type application rather than a cosmetic finish. So the finish can and does have shading variations from one mag to another and texture differences are common.


Product Videos

M1A .308 30 round magazine (01:16)
Shooting some steel with a M1A using a 30 round Csspecs magazine.
  • M1A .308 30 ro...
    Shooting some steel with a M1A using a 30 round Csspecs magazine.

Warranty Information

30 Day Money back.
1 Year warranty.
See returns section for details.

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Product Reviews

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  1. Great magazine! 4 Star Review

    Posted by on 19th Nov 2020

    Bought 3. Super impressed on design. Fast shipping. Well packaged. As other reviewer noted these fit better than gi mags! The slight curve also assists in the rock to lock in. No problem loading the full 30. Feeds great! Ok 2 small complaints. The finish on mine is uneven, almost looked rubbed off on the center; and the top rear of the follower that appears to activate the bolt stop when empty, is very sharp.

    Finish can be rubbed with a little oil which will make it darken again, the grain of the finish is dry which makes it reflect more looking grey. The sharper upper corner on the follower bolt stop is somewhat unavoidable, blunting the corner makes it less reliable.

  2. Quality Construction + Additional Capacity 5 Star Review

    Posted by on 4th Nov 2020

    Great product and quality construction

  3. The best magazine available for the m14 and the only one in my scout 5 Star Review

    Posted by on 6th Oct 2020

    I've bought 3 of these magazines now and have loved every one of them. They feed flawlessly, fit into the rifle better than gi magazines, and are the only 30rd magazines that works for the m14. They even cost less than the magazines Springfield sells for the m1a under their own name so if you're willing to spend the money for a rebranded checkmate then do yourself a massive favor and give these a try.

  4. Built like a tank 5 Star Review

    Posted by on 12th Jun 2020

    Ive used your mags for years in my Zastava My so I was not surprised when the 30rd M14 worked just as well. Its the ONLY 30rd mag I found that functions 100% of the time in the M14. I wish you made 20rd ones as well because I would use them exclusively. Keep making quality products lile this and I'll be a life long customer.

  5. flawless performance - heavy duty mag 5 Star Review

    Posted by on 23rd Mar 2020

    unwrapped the mags and loaded them up. No jams. Flawless performance. These are heavy duty mags. Not cheap crap. Great product

  6. Worked fine in my SOCOM16. 4 Star Review

    Posted by on 15th May 2019

    They arrived VERY nicely packaged for long-term storage in sealed plastic with CPC paper wrapping. Build quality is very high. I only have 2 areas of concern;
    1.) When loading the mags as received the spring tension was excessive. Inserting a full mag on a closed bolt was difficult as was cycling the action to chamber the first round. 2.) I also noted after ejecting my dummy rounds that the stamping edge on the feed lips scarred the brass deeply.

    I took one of the three magazines I received and cut a coil off of the spring and filed and polished smooth the feed lips where they dug into the brass. The results were easier loading, easier chambering and brass ejected in much better condition. I could also now fit 31 rounds in the magazine. Though I would not typically make it a practice it is equivalent to the oft-recommended practice of underloading a magazine to relieve the effects of tightly packed magazines.

    I took the modded magazine and the as-delivered magazines to the range and they all functioned perfectly. The modded magazine was just easier to use. I honestly can't say it functioned any better. I wound up modding all of them but I would recommend them either way.

  7. Perfect! 5 Star Review

    Posted by on 6th May 2019

    Finally got to test these m14 30rd magazines out,and I'm extremely happy with them. Quality construction and they worked flawlessly. I would recommend to anyone who is looking for high cap mags for their rifle.

  8. Couldn't be happier!!! 5 Star Review

    Posted by on 20th Apr 2019

    Quite frankly... These are the best 30 round M1A/M14 magazines in the business!
    Springfield Armory doesn't even offer a 30 round magazine for the M1A/M14.
    I ordered six of these 30 rounders and I received them within a few days. They came packaged wrapped in grease paper and plastic bags and they were brand new!
    Got to test them several of them out today on the range and they fed flawlessly. I am very impressed and these are well worth the little extra cost. These are VERY well made magazines. The best that can be had in the M1A/M14 world. Outstanding quality and workmanship. BRAVO to CCSPECS!!!
    T. Lloyd (Hutto TX)

  9. Freedom In California 4 Star Review

    Posted by on 14th Apr 2019

    I recently bought three 30 round m14 mags from yall and I'm excited because it's been about 20 years since anyone could legally own high cap mags here in commiefornia, I'm extremely impressed with these mage and love em first thing we did when the packages got here was hit the range. thank you very much for sending me more freedom

  10. best magazines 5 Star Review

    Posted by on 10th Apr 2019

    Csspecs produces the best magazines for your 7,62 x 51. As close to the original military item, and in some cases better.
    I am very happy with them

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