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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ballistic coefficient on bullets
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<blockquote data-quote="Mikecr" data-source="post: 130728" data-attributes="member: 1521"><p>I agree with Roy on the non-biased company being you. There is nobody else.. No standards, and no independant group with which to establish standards. SAAMI? NRA? IBS? NOPE!!</p><p></p><p>Catshooter is right also, w/regard to BC claimed under StdMetro or ICAO conditions. Who knows what any maker bases their BC on though. And local BC will have to be adjusted for conditions, unless you have the means to adjust the drag curve. Depends on your ballistic software.</p><p>BC would be a constant with a matching drag curve(not G1), but because software available does not reference a matched curve for your bullet, under the specific -local conditions, apparent BC goes all over the place.</p><p>And worst of all, bullets are not made to ANY standard. Every lot is different from any maker. So their BC is bogus to begin with.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 130728, member: 1521"] I agree with Roy on the non-biased company being you. There is nobody else.. No standards, and no independant group with which to establish standards. SAAMI? NRA? IBS? NOPE!! Catshooter is right also, w/regard to BC claimed under StdMetro or ICAO conditions. Who knows what any maker bases their BC on though. And local BC will have to be adjusted for conditions, unless you have the means to adjust the drag curve. Depends on your ballistic software. BC would be a constant with a matching drag curve(not G1), but because software available does not reference a matched curve for your bullet, under the specific -local conditions, apparent BC goes all over the place. And worst of all, bullets are not made to ANY standard. Every lot is different from any maker. So their BC is bogus to begin with. [/QUOTE]
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ballistic coefficient on bullets
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