Originally Posted by JUDD
Another vote for a 6x284 OR one of my personal favs, a 6mm Remington Ackley Improved. Plenty of neck length and a 40 degree shoulder to theoritically save your throat life (as much as possible, LOL).
JMHO, I have a 6mm-06 Ackley in addition to my fav. 6mm Ackley. It is basically a 240 Wby without a belt, plus a few FPS, which I personally hate belts.
Truly doubtful if you will see a huge increase of velocity with the 6-257WBY over the above calibers.