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Long Range Hunting & Shooting
Longrange PD cartridge - Part II
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<blockquote data-quote="Varmint Hunter" data-source="post: 7873" data-attributes="member: 313"><p>My Sierra manual lists the .243, 107gr MK @ a BC of .526. The JLK 80gr .224 was listed at .510. That is a fairly small difference in BC, especially when the launch speed of the .224 bullet is 500+ ft/sec faster. </p><p></p><p>Yes, the Sierra 80gr has a relatively low BC, which is why I do not prefer it when varminting at long range. </p><p></p><p>Another question:</p><p></p><p>If a .224 bullet and a .243 bullet had the same BC and were fired at the same MV, wouldn't they both have the same bullet drop and wind resistance? </p><p></p><p>I am not in disagreement with the results that you have seen on paper, but am having a hard time in understanding why this would be. I think I'll take another look at the ballistic calculator.</p><p></p><p>VH</p></blockquote><p></p>
[QUOTE="Varmint Hunter, post: 7873, member: 313"] My Sierra manual lists the .243, 107gr MK @ a BC of .526. The JLK 80gr .224 was listed at .510. That is a fairly small difference in BC, especially when the launch speed of the .224 bullet is 500+ ft/sec faster. Yes, the Sierra 80gr has a relatively low BC, which is why I do not prefer it when varminting at long range. Another question: If a .224 bullet and a .243 bullet had the same BC and were fired at the same MV, wouldn't they both have the same bullet drop and wind resistance? I am not in disagreement with the results that you have seen on paper, but am having a hard time in understanding why this would be. I think I'll take another look at the ballistic calculator. VH [/QUOTE]
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Longrange PD cartridge - Part II
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