I've discovered a problem with my Kahr CM9

This is a discussion on I've discovered a problem with my Kahr CM9 within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; If you have a CM9 or PM9, you should read this article and check your pistol to make sure yours doesn't have this issue. I ...

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Thread: I've discovered a problem with my Kahr CM9

  1. #1
    Senior Member Array MilitaryArms's Avatar
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    I've discovered a problem with my Kahr CM9

    If you have a CM9 or PM9, you should read this article and check your pistol to make sure yours doesn't have this issue. I discovered that my CM9's slide can hang up on the tip of the guide rod when holstering the pistol (which can cause the slide to retract slightly) and put the pistol into a non-operable state. If you draw the pistol in this state and attempt to fire it, the gun will not function.

    More info here: Flaw in the Kahr CM9 | The Bang Switch

    I would like to hear from other CM9/PM9 owners to see how many other pistols might suffer from this issue.
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  3. #2
    VIP Member Array 10thmtn's Avatar
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    Can you mitigate the issue by resting your thumb on the back of the slide while holstering, to prevent the slide from moving out of battery? I generally do this with all my semi autos when holstering.

    My PM9 (my third) has given me enough grief to also be relegated to the safe. Much happier with my LCR. No fuss, no muss...goes bang every time.


    Stepping off the "Pocket 9mm" Merry-Go-Round...Hello revolver!

    Edit - I just checked my PM9, and it does NOT exhibit this defect. I even tried to force the recoil spring guide rod end cap over, but the slide would still come into battery. Looks like the cap is beveled on the edges, probably for this reason. Not sure about the end cap on the CM9 guide rod...?
    Last edited by 10thmtn; July 8th, 2013 at 03:34 PM.
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    Distinguished Member Array Hodad's Avatar
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    Thanks for the heads up. I carry a CM9 and in the future will be very careful about the glitch mentioned. I like the idea of using your thumb when holstering the weapon. I will make this a habit.

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    There's only one potential drawback I can see by putting your thumb on the back of the slide while holstering. That is if something catches in the trigger and it fires, not only will you likely have a leg injury from the bullet but you will likely have a serious problem with your thumb and one I wouldn't like to have. Just food for thought.
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    Senior Member Array BkCo1's Avatar
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    I do as 10thMtn does with all my striker fired pistols. As for shooting yourself in the leg and loosing a thumb, one should slowly and carefully holster your weapon no matter the style. You clear your shirt tail and slowly put your weapon in the holster. If something doesn't feel right stop and remove weapon, check the holster and start over again.
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    Member Array forestranger's Avatar
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    I have a CM9 and a CW9 and just tried to duplicate this on both of them with no success?

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    VIP Member Array zonker1986's Avatar
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    When Sheilds were first introduced this was a big issue where the guns would move out of battery and not return on their own. I have not had this issue with my CM9.
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    Member Array Fisher10's Avatar
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    Quote Originally Posted by accessbob View Post
    There's only one potential drawback I can see by putting your thumb on the back of the slide while holstering. That is if something catches in the trigger and it fires, not only will you likely have a leg injury from the bullet but you will likely have a serious problem with your thumb and one I wouldn't like to have. Just food for thought.
    That is false information. Your thumb will have very little to no injury at all. Here's proof. Pistol Whip 101 - Part 2 - YouTube

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    VIP Member Array tokerblue's Avatar
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    I have a PM9 and a MK9 and have not had this issue. Have you tried taking the gun apart and see if the guide rod was installed correctly?
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    Wha?? More problems with kahr? - my not so shocked face. Kahr really seems to be in that group of firearm manufactures that are hit or miss, just too many bad reviews/problems out there to ignore. Which sucks, they do make some really nice size pistols which would be fantastic for CC, except they have reliability issues.
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  12. #11
    Member Array BenFoo's Avatar
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    Quote Originally Posted by Fisher10 View Post
    That is false information. Your thumb will have very little to no injury at all. Here's proof. Pistol Whip 101 - Part 2 - YouTube
    Agreed. I had a firearms instructor prove this. We were all wincing when he fired. He fired twice more with his thumb firmly on the slide just to prove it was a fluke.




    Thanks for the heads up on the slide/guide. I have a friend with a CM9. Ill have to send him the link to check.

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    VIP Member Array 10thmtn's Avatar
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    Quote Originally Posted by Fisher10 View Post
    That is false information. Your thumb will have very little to no injury at all. Here's proof. Pistol Whip 101 - Part 2 - YouTube
    Correct. Good technique to know in case you need to make a contact shot with a semi auto. It will be a one shot gun until you cycle it manually, but at least it will be in battery and fire the shot.
    The more good folks carry guns, the fewer shots the crazies can get off.
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    Member Array jyo's Avatar
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    I have two of the slightly larger CW-9s (wife and I) and cannot make it hang-up as you described---also, both pistols function 100% with any factory FMJ/JHP ammo I have tried. I'm happy with them...

  15. #14
    VIP Member Array ccw9mm's Avatar
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    Quote Originally Posted by 10thmtn View Post
    Can you mitigate the issue by resting your thumb on the back of the slide while holstering, to prevent the slide from moving out of battery? I generally do this with all my semi autos when holstering.
    Yes, one of the many little fumbles the PM9 and P380 exhibited, when I owned the 5 of them that I did.

    Was so focused on trying to get passed the cranky little magazine-caused issues that I had totally forgotten the problem you mentioned occurred relatively frequently.
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    New Member Array Diggityd's Avatar
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    Couldn't get my PM9 to hang up no matter how hard I tried. Completely happy with mine. Close to 1,000 flawless rounds thru it and counting. No complaints.

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