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Thread: 8-round mags --> 9-round mags

  1. #1
    Join Date
    Oct 2010
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    Default 8-round mags --> 9-round mags

    For those with Kahr 8-round 9mm magazines who would like them to be 9-round magazines, so you can carry 10 rounds including one in the chamber, I have tested a solution successfully (so far).

    First, what didn't work: I tried the Kahr 7-round mag spring and couldn't fit 9 rounds in the mag. Possibly, a less bulky follower might allow it, but I can't speak for the spring force for the last round.

    Using the MagGuts 6-round to 7-round conversion for the CM9 & it's brethren, I installed that whole kit in the 8-round mag, with the MagGuts follower and Kahr plastic base plate and plastic insert between the base plate and spring. Testing started with snap caps to see if it had enough force to load the last round, and it did. So I took some S&B 115gr FMJ, some Hornady Critical Defense, and Hornady Critical Duty to the range and tried it. I fired a total of 90 rounds in the magazine filled with 9 rounds each time, and experience ZERO failures to feed.
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  2. #2
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    Default

    Sounds like you found a solution.
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  3. #3
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    Default

    Excellent info! Thanks for sharing it with us
    Regards,
    Greg
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  4. #4
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    Oct 2010
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    Default

    It's possible that other springs would do it, but this is the only one I had available to experiment with.
    People Sleep Peacefully in Their Beds at Night Only Because Government Bureaucrats Carefully Check Paperwork on Their Behalf

  5. #5
    Join Date
    Jun 2010
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    Maine
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    Default

    Good to know, thanks!

    I hope I don't "need" that many rounds ever -- but if I do, will be great to have the extra...

    Old No7
    "Freedom and the Second Amendment... One cannot exist without the other." 2000 DTH

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