So, if Pietta recommends 22 grains maximum of BP and I am using Triple 7, a 15% reduction (as they recommend) in charge volume would be 18.7 grains/volume????
I am currently shooting a .36 round ball over 15 grains/volume of Triple 7, since my brass Pedersoli measure is clearly marked in 5 grain increments.
Did I add that up right in my head????