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Long Range Hunting & Shooting
Ballistic Coefficient (BC) - How important is it?
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<blockquote data-quote="jebel" data-source="post: 1818252" data-attributes="member: 106189"><p>I see where issues like fighting the wind come into the discussion of BC and its relative importance, as discussed above. But my own consideration of BC is a little different, when considering hunting bullets and their effectiveness at a given distance. </p><p></p><p>Personally, I begin my thinking with terminal effects. There seems to be an assumption throughout this entire discussion that all bullets under consideration have equal terminal effects, so the focus is only on external ballistics (how the bullet travels from the gun to the target). </p><p></p><p>I want to know the effective velocity range for the bullets I'm considering, which means I'm concerned about velocity. BC comes into the equation because it tells me what velocity I can expect at a given distance. I know that dialing for drop is relatively easy, as has been mentioned, but it's not the drop I'm focused on. It's the velocity. The velocity at distance (the result of BC) tells me my effective range in order to achieve the terminal effects on target that I'm looking for.</p><p></p><p>Also, I agree with the notion expressed above that in comparing different bullets, you should focus on like bullets from a terminal perspective. Said another way, you should compare the actual options you would use. For example, I wouldn't compare a 180 gr lead core bullet to a 180 gr monolithic, because I wouldn't choose between those two. The monolithic will penetrate better and have similar terminal effects when using 160 or 150 grains, so that's the bullet I'd compare to the 180 gr lead bullet. </p><p></p><p>Yes, I opened the terminal effects bucket of worms. My intent is not to derail this discussion, but only to explain how I (and maybe others) incorporate BC into my thinking when considering hunting bullets and their effective range.</p></blockquote><p></p>
[QUOTE="jebel, post: 1818252, member: 106189"] I see where issues like fighting the wind come into the discussion of BC and its relative importance, as discussed above. But my own consideration of BC is a little different, when considering hunting bullets and their effectiveness at a given distance. Personally, I begin my thinking with terminal effects. There seems to be an assumption throughout this entire discussion that all bullets under consideration have equal terminal effects, so the focus is only on external ballistics (how the bullet travels from the gun to the target). I want to know the effective velocity range for the bullets I'm considering, which means I'm concerned about velocity. BC comes into the equation because it tells me what velocity I can expect at a given distance. I know that dialing for drop is relatively easy, as has been mentioned, but it's not the drop I'm focused on. It's the velocity. The velocity at distance (the result of BC) tells me my effective range in order to achieve the terminal effects on target that I'm looking for. Also, I agree with the notion expressed above that in comparing different bullets, you should focus on like bullets from a terminal perspective. Said another way, you should compare the actual options you would use. For example, I wouldn't compare a 180 gr lead core bullet to a 180 gr monolithic, because I wouldn't choose between those two. The monolithic will penetrate better and have similar terminal effects when using 160 or 150 grains, so that's the bullet I'd compare to the 180 gr lead bullet. Yes, I opened the terminal effects bucket of worms. My intent is not to derail this discussion, but only to explain how I (and maybe others) incorporate BC into my thinking when considering hunting bullets and their effective range. [/QUOTE]
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