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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
calculating bc
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<blockquote data-quote="Buffalobob" data-source="post: 453987" data-attributes="member: 8"><p>I have used that link to calculate the BC on some of the 257 cal Wildcat bullets and then tweaked the answer to account for the rebated part. It comes very close. Of course trying to measure meplat diameter is about as goofy as figuring out exactly where to measure the boattail to get its diameter. None the less the link will get you real close to a good G1 BC and then you extrapolate a G7 from other known bullets and away you go to the range to verify it.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 453987, member: 8"] I have used that link to calculate the BC on some of the 257 cal Wildcat bullets and then tweaked the answer to account for the rebated part. It comes very close. Of course trying to measure meplat diameter is about as goofy as figuring out exactly where to measure the boattail to get its diameter. None the less the link will get you real close to a good G1 BC and then you extrapolate a G7 from other known bullets and away you go to the range to verify it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
calculating bc
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