Well i worked up some loads for a 400 gr. Solid copper bullet in 500 s&w. 17 grains of unique powder gave me the velocity i was after. No signs of high pressure going from 14.0 to eventually 17.4 grains.
I decided to load some rounds at 16.7, 16.8, 16.9 and 17.0 grains to see which were the...
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