Originally Posted by Garandimal
Is this a difficult question to answer?

What is the wind difference, of known BC, at 400 yds.?

Or drop, for that matter?


BC's only real value is Energy down range.

... and the .270 Win., even w/ flat based PSP bullets like the 150 gr. NP, has plenty for most game, even at 400 yards.


BC - is a placebo for marksmanship.




GR


His chart shows it pretty well

250’s started at the same speed.

.247 BC drifts 31” and has 1050 FTLB at the 400 yard line.

.648 BC drifts 9.7” and has over 2300 FTLBs at the 400 yard mark.

Semper Fi