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Bullet weight for LRH questions
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<blockquote data-quote="MontanaRifleman" data-source="post: 895012" data-attributes="member: 11717"><p>The two key (and only) factors in wind drift are velocity and BC. Usually the heavier bullet of like form will have a higher BC than the lighter bullet, but the lighter bullet will atain higher velocity. That said, with bullets in the same cal and similar form factor the heavier will usually trump the lighter in the long run because the difference in BC will be of greater long range benefit than the higher velocity of the lighter bullet. </p><p></p><p>In my experience running a lighter bullet against the heavier bullet on a balisitic calc, the heavier higher BC bullet will have a very slight windage edge right from the start that increases as you go down range. The heavier bullet usually catches up in velocity about 1K give or take. You can check this out very easy by playing with a ballistic calc.</p><p></p><p>So in the sense that the heavier bullet bucks wind better, it is more accurate than the lighter because it gives you a greater degree of forgiveness if your wind dope is not spot on. Otherwise, the difference in accuracy does not depend on bullet size or weight.</p><p></p><p>This all assumes you know the exact distance. If you are guesstimating distance the advantage could go to the lighter, flatter bullet way down range.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 895012, member: 11717"] The two key (and only) factors in wind drift are velocity and BC. Usually the heavier bullet of like form will have a higher BC than the lighter bullet, but the lighter bullet will atain higher velocity. That said, with bullets in the same cal and similar form factor the heavier will usually trump the lighter in the long run because the difference in BC will be of greater long range benefit than the higher velocity of the lighter bullet. In my experience running a lighter bullet against the heavier bullet on a balisitic calc, the heavier higher BC bullet will have a very slight windage edge right from the start that increases as you go down range. The heavier bullet usually catches up in velocity about 1K give or take. You can check this out very easy by playing with a ballistic calc. So in the sense that the heavier bullet bucks wind better, it is more accurate than the lighter because it gives you a greater degree of forgiveness if your wind dope is not spot on. Otherwise, the difference in accuracy does not depend on bullet size or weight. This all assumes you know the exact distance. If you are guesstimating distance the advantage could go to the lighter, flatter bullet way down range. [/QUOTE]
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Bullet weight for LRH questions
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