I shoot 38 S&W in a 1935/36 Regulation Police. I cast Ideal 358246 and 360271, RN/SWC, both drop at .361, 147 gr. I size to .360 and load over 2.15 gr. of A#2, yes, you can measure it that closely. It is a ballistic duplicate of Winchester factory ammunition fired in the same gun. And is finely accurate from a very fine old revolver.
I use the Lee powder measure with the .21 micro disc to get my extremely uniform powder drops.
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