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  1. #41
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    Join Date
    Aug 2009
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    George - Western Cape
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    2,180

    Default Re: Competition loads

    Quote Originally Posted by zs6hdv View Post
    I run 4.3-4.4gr S121 on a Frontier 124 gr RN with OAL 27.5, for a power factor of about 132.

    This is on a Shadow 1. The G19 might have a bit lower MV on the same load.

    Your load sounds like an acceptable starting load to me.
    I have almost identical data from my Glock 34 and the same recipe.

  2. #42
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    Join Date
    Apr 2019
    Location
    Cape Town
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    1,784

    Default Re: Competition loads

    Pretty much the same with a CZ75.

  3. #43
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    Jan 2010
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    Cape Town
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    45
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    1,858

    Default

    Quote Originally Posted by Koekie Monster View Post
    I know necro post etc... would 4gr s121 on frontier RN 124gr be a good starting load? I know the newer batches are a bit weak but I do not want to start development too low. It will be a an OAL of 29mm for G19.
    4.3 probably and lower the COL a bit.

  4. #44
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    Join Date
    Sep 2013
    Location
    Centurion
    Age
    41
    Posts
    419

    Default Re: Competition loads

    Thank you for the info it is much appreciated. The site searches yielded anything from 3.5gr to 4.5gr which is a very wide range to start with.

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