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Anyone ever had pressure issues due to a stiffer firing pin spring?

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  #1  
Unread 10-01-2013, 10:31 PM
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Anyone ever had pressure issues due to a stiffer firing pin spring?

I put a wolff spring in my sav 111 7mm and ever since i have had real pressure issues with loads i did not before. Any input would be appreciated. Looking at just putting the factory back in.
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  •   #2  
    Unread 10-02-2013, 05:33 AM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    No, but interested in the answer.
    Will stay tuned.
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      #3  
    Unread 10-02-2013, 11:58 AM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    Nothing eh? Maybe Im just a glutton for punishment.
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    Unread 10-02-2013, 05:59 PM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    What are the pressure issues?
    Why did you change springs?
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      #5  
    Unread 10-02-2013, 06:03 PM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    Blowing primers out of loads that never showed pressure issues before, ejector marks on loads that are very much middle of the road loads. I changed it because of the jump from the old spring, it looked like an s on the firing pin. Its a good pin with a smooth trigger break now but just wondering why it would cause it. It is the only thing I have changed since these issues started.
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      #6  
    Unread 10-03-2013, 06:24 PM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    Thanks for the patient answers.
    What's the cartridge & load?
    What's the head space setting?
    Are the pockets tight?

    I know that primer striking can hugely affect tune. I don't yet understand WHY.
    Your condition here, going beyond tune, may lead to better understanding.
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      #7  
    Unread 10-03-2013, 06:32 PM
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    Re: Anyone ever had pressure issues due to a stiffer firing pin spring?

    Mike, I agree that changing a striker assembly can mess up your tune. I always thought that it was from increased vibration from a harder strike, changing bbl harmonics a bit. ---- RHB
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