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Hunting
Extreme Long Range Hunting & Shooting (ELR)
bc vs velocity w/copper solids
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<blockquote data-quote="mitch260" data-source="post: 1106021" data-attributes="member: 53720"><p>Roy,</p><p></p><p>Your best bet will probably be to use a G7 BC. It should be much more consistent over all velocities. The effect of the G1 changing drastically over the velocity spectrum is due to the bullets shape being drastically different than the G1 standard. The copper Solids tend to be even farther away from the G1 standard than typical lead core bullets, so the G1 will vary more with changes in velocity. The G7 is a much closer fit to all modern long range bullets so there is substantially less BC variation due to velocity changes.</p></blockquote><p></p>
[QUOTE="mitch260, post: 1106021, member: 53720"] Roy, Your best bet will probably be to use a G7 BC. It should be much more consistent over all velocities. The effect of the G1 changing drastically over the velocity spectrum is due to the bullets shape being drastically different than the G1 standard. The copper Solids tend to be even farther away from the G1 standard than typical lead core bullets, so the G1 will vary more with changes in velocity. The G7 is a much closer fit to all modern long range bullets so there is substantially less BC variation due to velocity changes. [/QUOTE]
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bc vs velocity w/copper solids
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