I can personaly testify that a 180-grain Nosler Partition works on elk well past 300 yards when started at a measly 2700 fps.
JB
Yep,
180 grain Partition in the .308, 200 grain Partition in the 30-06, 175 grain Partition in th 7's. Whomp and stomp as far as you can reliably hit em.
Wayne