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Green Dot Recipe Error?

Discussion in 'Shooting Related Threads' started by Mark425, Jul 1, 2011.

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  1. Mark425

    Mark425 TS Member

    Jan 29, 1998
    I am sure I am not the first one to ask this question. Searched .... but couldnt find it.

    Alliant published data in both the printed book and on the web shows:

    Rem Hull

    Rem Primer

    1 1/8 shot


    1200fps 21.0 grains at 8900psi

    1250fps 21.1 grains at 10000 psi

    1/10 grain makes that much difference?????? Before I bug Alliant thought someone here has the answer. I see something similar with the Fig 8 wad.

    Thanks shooters,
  2. grntitan

    grntitan Well-Known Member

    Mar 25, 2009
    IL(The gun friendly Southern Part)
    It's very powerful stuff. One more flake and it's a real boomer. LOL Actually I've found several similar errors with Alliants data.
  3. PerazziBigBore

    PerazziBigBore TS Member

    Jan 29, 1998
    Mark.. If you regularly look at pressure/velocity charts..both sets of numbers fall in standard deviation range.. Now.. the 21.1 grain could have been on a warmer day.. Could have been a different lot number of primers.. could have been a deeper crimp on newer hulls.. Many different things can easily spike pressure.. When Kevin at Downrange tested my 19.6 Promo 24 gram lead shells.. I saw similar things.. in real life.. Crimp plays the largest factory in pressure spikes.. if everything else is the same.. Speed stayed similar.. Mike
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