You could start with data for the 150 grain bullet, reduce by 10 percent and work up.
Or split the difference between 140 and 150 data, reduce by 10 percent and work up.
You could start with data for the 150 grain bullet, reduce by 10 percent and work up.
Or split the difference between 140 and 150 data, reduce by 10 percent and work up.
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