Thread: New 7mm atip
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Old December 4, 2019, 02:53 PM   #4
T. O'Heir
Senior Member
Join Date: February 13, 2002
Location: Canada
Posts: 12,336
The BC of any bullet doesn't make enough difference for it to matter. However, in the reference chapter of your manual might have the formula for determining the Ballistic Coefficient. Needs a scientific calculator, as I recall.
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