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Old April 24, 2013, 06:07 PM   #8
Jim Watson
Senior Member
 
Join Date: October 25, 2001
Location: Alabama
Posts: 11,412
The heavier bullet might be more accurate than the lighter. So if you can read the wind, the higher velocity is no advantage.

Most bullet makers advertise the G1 BC. It is not a great fit for boat tail spitzers but is a larger number than other charts give. Sierra uses the kluge of a "variable" BC by velocity range. Berger also shows the G7 which is a better fit even though a smaller number.
Calculations must be verified by shooting.

Most proficient LR shooters gravitate to the heavier bullets, there must be SOME advantage not apparent from calculations. I have been shooting Scenar 155s and have a hard time telling them from Sierra 175s on the range. But then I am a scratch Sharpshooter and pretty casual competitor.

Of course you are limited to a 156 gr maximum for actual Palma competition.
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