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Thread: Can a CT 9 barrel be used with a CT 40 ?

  1. #1
    Join Date
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    Default Can a CT 9 barrel be used with a CT 40 ?

    Can A CT 9mm barrel be used with a CT 40 gun or is there a conversion barre available? I like the 40 but it is hard on my old hands.

  2. #2
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    Ya know that is a great question. I don't know the answer but hopefully some of the smarter people on the forum can help ya.
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  3. #3
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    Not sure about just the barrel but I believe Greg put a .40 slide (whole upper) on a 9mm frame and it worked ok. A whole slide might be an option if one could be found cheap.

    Maybe someone with both guns will chime in shortly.
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  4. #4
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    Thanks for the reply I will look for a Kahr 9mm top Assembly. I know that it works for Glock and I have put a 40/10 on a Springfield 45 frame. I have some 165 gr 40 bullets on the way to load light. But would like a 9mm top for this gun.

  5. #5
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    The way I'd research it if I were you is to find someone that has a 9mm CT and have them measure both the barrel OD and the hole in the slide, then compare that to yours. If they're the same, I'd give a 9mm barrel a try in yours. I know that with Glocks, the factory barrels don't swap between 9 and 40; the 40 has a bigger OD and a bigger hole in the slide. Lone Wolf conversion 9mm barrels for .40 Glocks have a larger OD to match the .40 hole.

  6. #6
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    May have to change the extractor too, smaller case head diameter and all that........

  7. #7
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    I'm certainly no expert and haven't measured anything but I suspect the striker centerline is different, and the extractor and ejector are different between the 9s and the 40s.

  8. #8
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    And the mags would be different. Most likely the grip frame too.

  9. #9
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    Quote Originally Posted by yqtszhj View Post
    Not sure about just the barrel but I believe Greg put a .40 slide (whole upper) on a 9mm frame and it worked ok. A whole slide might be an option if one could be found cheap.

    Maybe someone with both guns will chime in shortly.
    I did do that and thank you for remembering it
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