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Round Ball Weight.. Diameter to Grains

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    Round Ball Weight.. Diameter to Grains

    Smokeless powder shooters use #2 alloy or the harder Linotype to cast their bullets. Each design makes a bullet to a set weight.

    In Muzzleloading we use the time and true round ball made from pure soft lead. Below is a reference chart for the weight of a given ball diameter.

    Also the ball is always smaller then the caliber, the patch the ball sits in makes up the difference.

    My .45 caliber Pennsylvania runs on a .443 round ball of 131grs. I use a .015 patch. You get .458 but the patch compresses to the exact bore diameter.

    RC

    Pure Lead Ball Weight
    .310 = 45 grains
    .315 = 47 grains
    .321 = 50 grains
    .350 = 65 grains
    .360 = 71 grains
    .375 = 80 grains
    .395 = 92 grains
    .400 = 96 grains
    .433 = 122 grains
    .437 = 127 grains
    .440 = 128 grains
    .443 = 131 grains
    .445 = 133 grains
    .451 = 138 grains
    .454 = 141 grains
    .457 = 144 grains
    .490 = 177 grains
    .498 = 180 grains
    .520 = 212 grains
    .530 = 224 grains
    .535 = 231 grains
    .543 = 241 grains
    .550 = 251 grains
    .560 = 260 grains
    .562 = 276 grains
    .570 = 279 grains
    .575 = 286 grains
    .595 = 317 grains
    .600 = 325 grains
    .610 = 342 grains
    .648 = 410 grains
    .662 = 437 grains
    .678 = 469 grains
    .680 = 473 grains
    .690 = 495 grains
    .715 = 550 grains
    .730 = 586 grains
    .735 = 598 grains
    .760 = 661 grains
    .775 = 700 grains
    .835 = 875 grains
    .919 = 1167 grains
    1.052 = 1750 grains
    In memory of our Founder, Michael T. June 15, 1946 - February 26, 2017

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