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Thread: Recoil spring

  1. #1
    jm38 is offline Junior Member
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    Recoil spring

    How much recoil spring is too much
    My cz40 P is throwing brass 20 to 30 feet.
    How heavy can I safely go to cut down on the fast rearward thrust?

    Thanks and all input will appreciated.

  2. #2
    berettabone is offline Banned
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    Are you using the factory guide rod? According to what I have read, you can go up to a #22 lb. spring....but most get a full length metal guide rod, and you should have a spacer in there...some get a cz-75 spring, and cut off three coils.....cuts down the recoil also.

  3. #3
    berettabone is offline Banned
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    Jackash Custom.....
    Quote Originally Posted by berettabone View Post
    Are you using the factory guide rod? According to what I have read, you can go up to a #22 lb. spring....but most get a full length metal guide rod, and you should have a spacer in there...some get a cz-75 spring, and cut off three coils.....cuts down the recoil also.

  4. #4
    jm38 is offline Junior Member
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    Installed a Wolff 20# spring, ran 100 rounds, couldn't see much distance difference in flying brass, or recoil. However had one FTF probably due to the quick return of the stronger spring. Re-installed the factory ??# spring, will avoid shooting where I can't find my brass. Unless necessary.

  5. #5
    Steve M1911A1's Avatar
    Steve M1911A1 is offline Senior Member
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    Quote Originally Posted by berettabone View Post
    ...[S]ome get a cz-75 spring, and cut off three coils.....cuts down the recoil also.
    Assuming that both springs are the same length, shortening the replacement recoil spring will make the slide batter the frame or, otherwise, destroy any spacer that has been added.
    Furthermore, it will make strong ejection even stronger.

    I'm not sure that this is a good idea.

  6. #6
    berettabone is offline Banned
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    Assuming?
    Quote Originally Posted by Steve M1911A1 View Post
    Assuming that both springs are the same length, shortening the replacement recoil spring will make the slide batter the frame or, otherwise, destroy any spacer that has been added.
    Furthermore, it will make strong ejection even stronger.

    I'm not sure that this is a good idea.

  7. #7
    Steve M1911A1's Avatar
    Steve M1911A1 is offline Senior Member
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    Yeah, "assuming."
    I do not have first hand experience with either gun mentioned (CZ40, CZ75), so I can make only very general observations.

    So if it sounds to me as if it could be a bad idea, I feel that it's my duty to write something that makes note of it.

  8. #8
    berettabone is offline Banned
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    If you go to the Original CZ Forum, you can probably glean some valuable info, some of which I stated previously.
    Quote Originally Posted by jm38 View Post
    Installed a Wolff 20# spring, ran 100 rounds, couldn't see much distance difference in flying brass, or recoil. However had one FTF probably due to the quick return of the stronger spring. Re-installed the factory ??# spring, will avoid shooting where I can't find my brass. Unless necessary.

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