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Long Range Hunting & Shooting
What caliber for a sheep rifle?
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<blockquote data-quote="Fiftydriver" data-source="post: 125289" data-attributes="member: 10"><p>Brown dog,</p><p></p><p>Taking your comments, especially your last one, look at this example please. Lets compare two bullets, the 200 gr Accubond with the 220 gr Hornady round nose. Using a BC of .58 for the Accubond and .3 for the Hornady bullet, both launched at 3000 fps.</p><p></p><p>At 500 yards the Round nose will drift over 32" compared to about 14.5" for the 200 gr Accubond. The Hornady bullet will have more momentum then the lighter 200 gr bullet when started at the same velocity so why is the wind drift more then twice that of the lighter 200 gr Accubond. Simply put, higher BC.</p><p></p><p>Now I am sure that the physics guys and gals can figure up an equation on this to tell us why this happens but personally, simply knowing a higher BC bullet will produce less wind drift then a high BC bullet is enough for me.</p><p></p><p>It happens in real life all the time and in every caliber with every bullet weight. A higher BC will produce less wind drift then a lower BC bullet.</p><p></p><p>This is an interesting topic but to be honest, it kind of baffles me that it is getting this much attention on this board. This is kind of a LRshooting 101 type topic in my opinion. The math can get very complicated but the results are very predictable.</p><p></p><p>Good SHooting!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 125289, member: 10"] Brown dog, Taking your comments, especially your last one, look at this example please. Lets compare two bullets, the 200 gr Accubond with the 220 gr Hornady round nose. Using a BC of .58 for the Accubond and .3 for the Hornady bullet, both launched at 3000 fps. At 500 yards the Round nose will drift over 32" compared to about 14.5" for the 200 gr Accubond. The Hornady bullet will have more momentum then the lighter 200 gr bullet when started at the same velocity so why is the wind drift more then twice that of the lighter 200 gr Accubond. Simply put, higher BC. Now I am sure that the physics guys and gals can figure up an equation on this to tell us why this happens but personally, simply knowing a higher BC bullet will produce less wind drift then a high BC bullet is enough for me. It happens in real life all the time and in every caliber with every bullet weight. A higher BC will produce less wind drift then a lower BC bullet. This is an interesting topic but to be honest, it kind of baffles me that it is getting this much attention on this board. This is kind of a LRshooting 101 type topic in my opinion. The math can get very complicated but the results are very predictable. Good SHooting!! Kirby Allen(50) [/QUOTE]
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What caliber for a sheep rifle?
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