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Old March 26, 2010, 06:10 AM   #4
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Join Date: December 20, 2008
Location: Somewhere on the Southern shore of Lake Travis, TX
Posts: 2,451
The round ball is more like 144 grains.
That is correct.
You can calculate the weight of a lead round ball in grains by cubing the diameter and then multiplying that by 1503.

.457 X .457 X .457 X 1503 = 143.45 close enough to 144 for my purposes.
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