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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
number crunchers what did i miss
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<blockquote data-quote="codyadams" data-source="post: 1639482" data-attributes="member: 87243"><p>The only aspect that they intersect in (for hunting purposes) is velocity, and when they intersect the heavier higher bc bullet begins to have more velocity. This happens around 200-700 yards depending on many different things. The lighter bullet going faster will have less drop for essentially all hunting purposes, but this is only usefull if you want the farthest point blank range. So outside of roughly 400 yards or so, where pretty much any cartridge/bullet combo is going to begin to need correction, the lighter bullet looses all benefits it may have at one point had. Also for elr, the heavier bullet does again intersect with the lighter, because the heavier bullet begins to have less drop. This can be 1500 yards or farther however. </p><p></p><p>The heavier high bc bullet <strong>always</strong> has more energy and less wind deflection than lighter faster lower bc. </p><p></p><p>There is of course a bell curve to this. Too heavy for a certain cartridge looses the benifits because it cannot be propelled fast enough. If you try to shoot the new 250 grain a-tip in a .308 win at approximately 2000 fps (estimation) , your results will likely not be as beneficial for long range as shooting a 215 at 2550 fps. </p><p></p><p>This all must be looked at objectively. If it were possible to shoot a 125 grain bullet with the same bc as the 215 berger in a 300 wm, the long range performance would be outstanding, with the only lacking factor possibly being energy. This is likely beyond the ability of physics however. All data points must be quantified and added up to see what performs the best.</p></blockquote><p></p>
[QUOTE="codyadams, post: 1639482, member: 87243"] The only aspect that they intersect in (for hunting purposes) is velocity, and when they intersect the heavier higher bc bullet begins to have more velocity. This happens around 200-700 yards depending on many different things. The lighter bullet going faster will have less drop for essentially all hunting purposes, but this is only usefull if you want the farthest point blank range. So outside of roughly 400 yards or so, where pretty much any cartridge/bullet combo is going to begin to need correction, the lighter bullet looses all benefits it may have at one point had. Also for elr, the heavier bullet does again intersect with the lighter, because the heavier bullet begins to have less drop. This can be 1500 yards or farther however. The heavier high bc bullet [B]always[/B] has more energy and less wind deflection than lighter faster lower bc. There is of course a bell curve to this. Too heavy for a certain cartridge looses the benifits because it cannot be propelled fast enough. If you try to shoot the new 250 grain a-tip in a .308 win at approximately 2000 fps (estimation) , your results will likely not be as beneficial for long range as shooting a 215 at 2550 fps. This all must be looked at objectively. If it were possible to shoot a 125 grain bullet with the same bc as the 215 berger in a 300 wm, the long range performance would be outstanding, with the only lacking factor possibly being energy. This is likely beyond the ability of physics however. All data points must be quantified and added up to see what performs the best. [/QUOTE]
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number crunchers what did i miss
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