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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Cal 250 gr AB Range Report
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<blockquote data-quote="Varminator 911" data-source="post: 214939" data-attributes="member: 9705"><p>JonA:</p><p> </p><p>Do you think the 225 and 250 have the same nose and tail profile? If they do, I don't see how a 300 would be over 0.7 without a longer ogive. If BC were proportional to bullet wt: 300/225 x 0.550 = 0.733. So I think that is where you are coming from. But using that to compare the 225 and 250 gives: 250/225 x 0.550 = 0.611 rather than the actual of 0.575.</p><p> </p><p>I still think you probably need a longer ogive, but maybe not. Maybe the 250 has a shorter ogive than the 225.</p></blockquote><p></p>
[QUOTE="Varminator 911, post: 214939, member: 9705"] JonA: Do you think the 225 and 250 have the same nose and tail profile? If they do, I don't see how a 300 would be over 0.7 without a longer ogive. If BC were proportional to bullet wt: 300/225 x 0.550 = 0.733. So I think that is where you are coming from. But using that to compare the 225 and 250 gives: 250/225 x 0.550 = 0.611 rather than the actual of 0.575. I still think you probably need a longer ogive, but maybe not. Maybe the 250 has a shorter ogive than the 225. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Cal 250 gr AB Range Report
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