I used the 30-06 in a Rem 700 adl on two of my elk with no problems. I used Nosler partition bullets,180 gr. I now use a Ruger M-77 tang safety in 300 Win mag because I got a killer deal on it and I really like the old rugers. The other thing to think about is I don't know if this is a one time hunting trip or you plan to hunt elk again and what type of hunting you do at home. Are you going to use a 30-06 or 7mm mag at home or after the trip is over or are you going to sell them. 30-06 are much easier to sell, that is how I got my deal on my 300 win mag a guy hunted out west one time then didn't have any use for it back east. Just my 2 cents