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<blockquote data-quote="PrairieGhost" data-source="post: 171173" data-attributes="member: 704">No, that isn't what I was comparing.&nbsp; Wrong on both cases.&nbsp; I was using 30 caliber.&nbsp; Weight makes no difference to wind, only ballistic coefficient.&nbsp; A 200 gr 30 caliber bullet with a ballistic coefficient of .435 will drift the same as a 100 gr smaller caliber with a ballistic coefficient of .435.&nbsp;&nbsp; Energy is another matter, but bullets of the same weight and caliber, but with different ballistic coefficients will have different energy.&nbsp; I can change it to 500 yards and it will then be under 600 and show the same big difference.&nbsp; Ballistic coefficient is why a 6.5 Creedmoor outperforms the 308 Winchester.&nbsp;&nbsp; Bullet construction is important, but the big factor in penetration into animals is sectional density.&nbsp; Ballistic coefficient means nothing once the bullet meets the target.I don't know what you mean by raw knockdown power.&nbsp; A high ballistic coefficient, a low ballistic coefficient if they hit the target at the same velocity have the same energy.</blockquote>

[QUOTE="PrairieGhost, post: 171173, member: 704"] No, that isn't what I was comparing. Wrong on both cases. I was using 30 caliber. Weight makes no difference to wind, only ballistic coefficient. A 200 gr 30 caliber bullet with a ballistic coefficient of .435 will drift the same as a 100 gr smaller caliber with a ballistic coefficient of .435. Energy is another matter, but bullets of the same weight and caliber, but with different ballistic coefficients will have different energy. I can change it to 500 yards and it will then be under 600 and show the same big difference. Ballistic coefficient is why a 6.5 Creedmoor outperforms the 308 Winchester. Bullet construction is important, but the big factor in penetration into animals is sectional density. Ballistic coefficient means nothing once the bullet meets the target. I don't know what you mean by raw knockdown power. A high ballistic coefficient, a low ballistic coefficient if they hit the target at the same velocity have the same energy. [/QUOTE]

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