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.243win case weights

Discussion in 'Handloading and Reloading' started by padd54, Jan 6, 2009.

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  1. padd54

    padd54 Member

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    So, I had a little time on my hands and decided to weigh the cases out of a new 100ct bag of Winchester cases for my 243win.

    Here is how it turned out;

    160.9-161.5gn = 19cases
    161.6-162.2gn = 33cases
    162.3-162.6gn = 27cases
    162.7-163.5gn = 22cases

    This gave a total of 101cases in a 100case bag. Smile

    Is there enough deviation to matter, if so where would you draw the lines?

    I have a Howa/Axiom that I want as accurate as possible and youth model for my grandson that just be to able to hit 2" at 100yrds.

    Thanks for your help,
     
  2. kelbro

    kelbro Member

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    I see that 162 +/- 1 would give you a very good yield. You are talking about an approx. 1% spread. Unless you are shooting over 300yds, use them all and maybe mark the two or three heaviest ones as 'foulers'.
     
  3. padd54

    padd54 Member

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    I think I will try 10 of the lightest and 10 of heaviest to see if there is any difference in accuracy. I know to ensure everything else is the same as possible so that the case weight is the only variable.
    I will need to wait till spring to finalize this.

    Thanks,
    Ray
     
  4. Birdhunter1

    Birdhunter1 Member

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    Padd I got 2 bags of new .243 Winchester brass, by the time I resized, trimmed and prepped every case I had them all in one basket not separate. I started weighing cases and had a 7 grain variation from 161.x to 168.8, yes 1 cases was a whole 168.8 grains. I resized and stuck it in the trimmer again just to make sure it was sized the same as the rest, sure enough everything was fine on it it was just heavy.
     
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