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Thoughts on BC
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<blockquote data-quote="milanuk" data-source="post: 5050" data-attributes="member: 376"><p>WyoWhisper,</p><p></p><p>I've noticed the same thing w/ regards to published B.C. for several manufacturers. I've not gone thru and tested things out to determine the actual B.C. on a given day at a given distance, but what struck me as odd was that for similar bullet weights, most manufacturers's B.C. values are higher than Sierra's. But Sierra continues to have a very commanding presence, some might even say dominating, in reality. What I've noticed is that Sierra gives several values, depending on velocity ranges, as the B.C. does change as the bullet travels down range. Other companies, for example Hornady (not picking on them, I actually like their bullets) list only one value, and I'm guessing its probably the highest B.C. they could legitimately claim. Never mind that a given cartridge out of *your* gun may possibly never push it fast enough to realize that B.C., but that's what they list. </p><p></p><p>Oddly enough, in the Sierra Infinity software, even Sierra just uses the published B.C. listed by the bullet manufacturer, which often makes their products look less attractive on paper, until the actual field testing takes place <img src="http://images/icons/wink.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Monte</p></blockquote><p></p>
[QUOTE="milanuk, post: 5050, member: 376"] WyoWhisper, I've noticed the same thing w/ regards to published B.C. for several manufacturers. I've not gone thru and tested things out to determine the actual B.C. on a given day at a given distance, but what struck me as odd was that for similar bullet weights, most manufacturers's B.C. values are higher than Sierra's. But Sierra continues to have a very commanding presence, some might even say dominating, in reality. What I've noticed is that Sierra gives several values, depending on velocity ranges, as the B.C. does change as the bullet travels down range. Other companies, for example Hornady (not picking on them, I actually like their bullets) list only one value, and I'm guessing its probably the highest B.C. they could legitimately claim. Never mind that a given cartridge out of *your* gun may possibly never push it fast enough to realize that B.C., but that's what they list. Oddly enough, in the Sierra Infinity software, even Sierra just uses the published B.C. listed by the bullet manufacturer, which often makes their products look less attractive on paper, until the actual field testing takes place [img]images/icons/wink.gif[/img] Monte [/QUOTE]
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