308 case capacity

308 case capacity

This is a discussion on 308 case capacity within the Reloading forums, part of the Sniping Related category; Does any have the case capacity of 308 win case from nosler in grains of water? Cliffy...

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    Senior Member Cliffy's Avatar
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    308 case capacity

    Does any have the case capacity of 308 win case from nosler in grains of water?


    Cliffy

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    Super Moderator NorCalFocus's Avatar
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    Quote Originally Posted by Cliffy View Post
    Does any have the case capacity of 308 win case from nosler in grains of water?


    Cliffy
    I can get you water weight capacity of a Lapua case.
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    Senior Member Cliffy's Avatar
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    I would like a library of case capacities for all brands of 308 win cases


    Cliffy

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    Senior Member mamalukino's Avatar
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    Case capacity can vary lot to lot even with the same manufacturer.
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    I have measured a few different 308 cases with water, the numbers that I found may differ from other lots so do not use them as documented for load data.
    Winchester. 54.7 - 55.1 grains of water.
    Remmington 54.5 - 55.3 "
    Lake City 13 53.5 - 53.9 "

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    Senior Member Cliffy's Avatar
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    Quote Originally Posted by catgunguy View Post
    I have measured a few different 308 cases with water, the numbers that I found may differ from other lots so do not use them as documented for load data.
    Winchester. 54.7 - 55.1 grains of water.
    Remmington 54.5 - 55.3 "
    Lake City 13 53.5 - 53.9 "
    Thanks
    This will help when compairing load data from different manufacurers

    Cliffy

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    Senior Member mamalukino's Avatar
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    It helps when you sort your brass by volume. Everything else would go to establishing an average,
    Load data by manufacturers is their specific findings from the equipment and components they used in testing.
    Start low and work your loads up with your components.
    If and when components are changed you may, perhaps should, work the data again.
    Doing a pressure test as part of load development will keep you in a safe zone.
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    Senior Member Skypilot's Avatar
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    Quote Originally Posted by catgunguy View Post
    I have measured a few different 308 cases with water, the numbers that I found may differ from other lots so do not use them as documented for load data.
    Winchester. 54.7 - 55.1 grains of water.
    Remmington 54.5 - 55.3 "
    Lake City 13 53.5 - 53.9 "
    Aren't those full case not "useful" capacity(not surpassing the shoulder)?

    I get 52.9 grains of water for a 3.43cc listed useful case capacity. 1cc=1gram....
    and 1 gram = 15.432 grains

    So 3.43*1 = 3.43. Then 3.43*15.432= 52.9 grains of H2O?
    Last edited by Skypilot; 01-07-2017 at 12:53 PM.
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    Quote Originally Posted by Skypilot View Post
    Aren't those full case not "useful" capacity(not surpassing the shoulder)?

    I get 52.9 grains of water for a 3.43cc listed useful case capacity. 1cc=1gram....
    and 1 gram = 15.432 grains

    So 3.43*1 = 3.43. Then 3.43*15.432= 52.9 grains of H2O?
    Yes, the cases I measured, were full to the top with water.

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    Senior Member Cliffy's Avatar
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    As long as there all measured the same way in comparison it shouldn't matter. I think most are to the top.
    One of the reason I ask is if you look at the nosler reloading manual which is also on line they list the case capacity in h2o for there cases with different bullet weights and it didnt make sense.

    Cliffy

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