140 6.5mm--.463 G7
140 7mm--.424 G7

These are averages down to 1500 fps, and are derived both from chronographing and various other factors, including form factors derived from measurements of the bullets.

I have found Bryan's BCs very accurate at longer ranges, which is why I depend on them when testing rifles/scopes/bullets on the local 1000-yard range. They save a lot of time and ammo!

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck