Fellas, no 6.5 or 7 mm bullet's G1 BC equals what Sierra's 30 caliber 240-gr. HPMK has at .711 . And it can be shot from a .308 Win. case with a 1:8 twist barrel and drive tiny tacks at long range.
BuckNasty, you might consider the 7mm SAUM cartridge; it's proved to be a winner:
http://bulletin.accurateshooter.com/...championships/