I have no disagreement with anything anyone else has said, but I'll mention the bullet that always worked well for me (with my 7mm mag.) ..... 160 grain Nosler Partition. I never had one fail, whether it be Elk, Mule deer or Whitetail deer. (I've never hunted Moose or Bears.) I think that the 7mm mag. is flat-shooting enough, even with 160 grain bullets, to make a good shot at whatever distance at which you are likely ever to (actually) shoot. Perhaps not at 450 yards....but from 0 to 300...I think it was fine.

Perhaps there are better choices, I don't know. I simply wanted to mention that which always worked well for me.