!!!!!!!!!!!!!!45-70 & 450 CASE CAPACITIES!!!!!!!!!!!!!!!!!!
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Thread: !!!!!!!!!!!!!!45-70 & 450 CASE CAPACITIES!!!!!!!!!!!!!!!!!!



  1. #1
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    !!!!!!!!!!!!!!45-70 & 450 CASE CAPACITIES!!!!!!!!!!!!!!!!!!

    As measured by Brian Pierce!!!

    1-.450 Marlin Brass/73.5 grains of water(2.7 grains less than Remington 45-70 Brass!!!)
    2-.45-70 Remington Brass/76.2 grains of water(1.3 grains less than Starline Brass)
    3-.45-70 Starline Brass/77.5 grains of water(2.8 grains less than Winchester Brass)
    4-.45-70 Winchester Brass/80.3 grains of water.(4.1 grains "More" than Remington Brass


    Fired and sized factory LE rounds have a water capacity of 77.8 grains.



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    Sidewinder
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    Re: 45-70 & 450 CASE CAPACITIES

    Wow - Bigger differences than I would have guessed on that 45-70!

    I have only ran into reloading problems once and that was with the 8mm Mauser (8x57) having significant differences in case capacity. Seems the biggest difference was between the American and the European manufacturers, with some European cases holding as much as 1.5 more grains of powder. Made me wonder if the American manufs purposely reduced the case capacity to better download their "8mm Safe" ammo? If true, this spilled over into the Rem and Win new cases they sell in bulk.
    Ray

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    thanks Swany,

    that shows that you can load max loads in LE cases even though they are shorter.
    Bob

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    Quote Originally Posted by swany View Post
    As measured by Brian Pierce!!!

    1-.450 Marlin Brass/73.5 grains of water(2.7 grains less than Remington 45-70 Brass!!!)
    2-.45-70 Remington Brass/76.2 grains of water(1.3 grains less than Starline Brass)
    3-.45-70 Starline Brass/77.5 grains of water(2.8 grains less than Winchester Brass)
    4-.45-70 Winchester Brass/80.3 grains of water.(4.1 grains "More" than Remington Brass


    Fired and sized factory LE rounds have a water capacity of 77.8 grains.
    That is interesting to me...LE has a shorter case and more capacity = THINNER WALLS ? LE Sounds cheap to me .
    bkg1956 likes this.

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    Ok I have a question. I have a load that work's great in my rifle. It uses 45.5gr in Remington brass. I will be making the switch to starline brass because I have 200 sitting on the shelf. Dose this mean that in order to duplicate my pet load I have to add 1.3 gr and in theory I should have the same performance?
    Last edited by XMAN; 12-16-2013 at 02:42 PM.
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    Tenderfoot
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    Quote Originally Posted by XMAN View Post
    Ok I have a question. I have a load that work's great in my rifle. It uses 45.5gr in Remington brass. I will be making the switch to starline brass because I have 200 sitting on the shelf. Dose this mean that in order to duplicate my pet load I have to add 1.3 gr and in theory I should have the same performance?
    There is not a linear relation ship. If you have Quickload a simple check would allow for a pretty close estimate......


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