Kahr PM40 slide stop

Kahr PM40 slide stop

This is a discussion on Kahr PM40 slide stop within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; I just did a dis-assembly/re-assembly of the slide on a brand new PM40. If my gun is not faulty, this has to be the worst ...

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Thread: Kahr PM40 slide stop

  1. #1
    Member Array stewartjwnls's Avatar
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    Kahr PM40 slide stop

    I just did a dis-assembly/re-assembly of the slide on a brand new PM40.

    If my gun is not faulty, this has to be the worst slide stop arrangement I have ever seen. Driving the stop out is far harder than I would think is reasonable. Once I get the index marks lined up, there is no way to just push out the stop. You have to drive it out. Can't do it with just 2 hands.

    Putting it back in is almost as bad. The little spring that has to be engaged by the stop has to be lifted into place with a tiny screwdriver.

    This doesn't seem right to me.

    I have several different types of semi-autos, and I have never had one that was anywhere this difficult.

    Any one else had any experience with this, or does this sound like a factory problem?

    Thanks.
    "You're already flying upside down. You might as well turn on the smoke and have some fun."
    - Laurence Gonzales - "Deep Survival"


  2. #2
    Member Array dam294's Avatar
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    Quote Originally Posted by stewartjwnls View Post
    I just did a dis-assembly/re-assembly of the slide on a brand new PM40.

    If my gun is not faulty, this has to be the worst slide stop arrangement I have ever seen. Driving the stop out is far harder than I would think is reasonable. Once I get the index marks lined up, there is no way to just push out the stop. You have to drive it out. Can't do it with just 2 hands.

    Putting it back in is almost as bad. The little spring that has to be engaged by the stop has to be lifted into place with a tiny screwdriver.

    This doesn't seem right to me.

    I have several different types of semi-autos, and I have never had one that was anywhere this difficult.

    Any one else had any experience with this, or does this sound like a factory problem?

    Thanks.
    I had this problem as well. You have to use the "Glock Grip" to hold the slide back with one hand. After firing a few hundred rounds through my PM9, I am able to assemble and disassemble without any tools at all. Check out this video for an example of the grip.

    YouTube - Kahr Pistol Disassembly & Reassembly

  3. #3
    Distinguished Member Array pirate's Avatar
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    The slide stop on Kahr pistols does have to be tapped out after lining up the index marks which must remained lined up to get the slide stop out. It can be a bit tricky at first until you get the hang of it and the gun loosens up a bit.

    KAHR / Disassembly & Reassembly
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  4. #4
    Member Array stewartjwnls's Avatar
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    Quote Originally Posted by dam294 View Post
    I had this problem as well. You have to use the "Glock Grip" to hold the slide back with one hand. After firing a few hundred rounds through my PM9, I am able to assemble and disassemble without any tools at all. Check out this video for an example of the grip.

    YouTube - Kahr Pistol Disassembly & Reassembly
    Yup, did that. I am very used to Glocks, and have no problem with them. Tapping it with something like they show in the video however, doesn't come close with this one.

    My bigger concern is how difficult it is to get the stop to engage the spring when you put it back in.

    I agree that it should come out easier after it breaks in, but not sure that will help it go back together.
    "You're already flying upside down. You might as well turn on the smoke and have some fun."
    - Laurence Gonzales - "Deep Survival"

  5. #5
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    I had a similar problem with my CW40, unable to keep index marks aligned and push out slide stop at same tine. To make it easier to disassemble I stole an idea from my SA Micro-Compact, I made a slide holder from a plastic shelf pin, I found one that when inserted into the barrel would hold the slide back. Since it held the slide a little to far to align I took a file to the shelf pin and removed enough material to align the index marks. Now it is a simple matter to insert the tool between the barrel and slide and it aligns the index marks and holds the slide in place while removing the slide stop.
    When you have to shoot, shoot. Don't talk.
    "Don't forget, incoming fire has the right of way."

  6. #6
    Member Array dam294's Avatar
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    I've noticed that I do have to pull the slide back slightly beyond the alignment mark when re-installing the slide stop pin. I guess my point is get beyond the break-in and practice. It's really not a difficult weapon to assemble/disassemble it just has its nuances.

  7. #7
    VIP Member Array automatic slim's Avatar
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    Gee, Kahr does make a nifty tool which sells for $5 that will ease your frustration. I'm able to remove the stop by gentle tapping with the butt end of a screw driver handle. On reassembly, after things are lined up, I push it in using thumb pressure. I have a Kahr K9, but it couldn't be that different.
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    Member Array HugoStiglitz's Avatar
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    It will get better.......

    Mine was tight also in my little PM9. Just shoot it, and take it apart more. It will loosen up over time. The index marks dont have to be exact, and I watch the slide cut out more than I align the marks.........

  9. #9
    VIP Member Array gottabkiddin's Avatar
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    Mine was pretty tough when it was new, but now I can align the slide as mentioned and use my right index finger to press it through enough to pull it on through the frame without a problem. I use my fingernail to make sure the spring is in the correct position before reassembly. I don't think you have a faulty pistol at all, it's just a little more of a PITA to break down and reassemble.
    "He that hath no sword, let him sell his garment, and buy one." Luke 22:36

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    Member Array mengel4228's Avatar
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    I took the suggestion from a friend that told me when I bought my Kahr to rack the slide a few hundred times. After about 2 or 3 hundred; I had 0 difficulty breaking it down.
    "It is better to judged by 12, Than to be carried by 6"

    "You ask me why I carry so much gear??? I ask you why you are not prepared?"

  11. #11
    VIP Member Array gottabkiddin's Avatar
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    Quote Originally Posted by mengel4228 View Post
    I took the suggestion from a friend that told me when I bought my Kahr to rack the slide a few hundred times. After about 2 or 3 hundred; I had 0 difficulty breaking it down.
    That friend gave you some good advise.
    "He that hath no sword, let him sell his garment, and buy one." Luke 22:36

    "If a law is unjust, a man is not only right to disobey it, he is obligated to do so." Thomas Jefferson

  12. #12
    Member Array stewartjwnls's Avatar
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    Thanks folks, glad to know it's probably not just this pistol.
    "You're already flying upside down. You might as well turn on the smoke and have some fun."
    - Laurence Gonzales - "Deep Survival"

  13. #13
    Senior Member Array Vaquero 45's Avatar
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    I have always had good luck with Kahrs. I've owned the PM9, PM40, CW9, CW45, and now I've settled on the CW40, having standardized all my pistols to .40 caliber. As noted in another post, the key to a reliable Kahr is to rack the slide about 200 times before you even fire the first shot with it. I did this with my CW40, and didn't have one issue during the 200 round break-in. I've shot it one handed, upside down, sideways....it just keeps on ticking!

    Kahrs are really tight pistols at first. The slide stop will get easier to remove after the manual racking drill and a couple hundred rounds. I just align the marks and push the pin out with my fingertip now. Can't go wrong with a PPK sized pistol loaded with 6-7 rounds of .40!
    Slow is smooth.....smooth is fast.

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