I think some missed the 2k-3k accurate barrel life requirements.

My vote is to screw on a tube chambered in 6mm br to that Savage action (link has specs on 6mm br).

http://www.6mmbr.com/6mmbr.html

Second choice would be a "second" for the heavy 12-14 # .308 another mentioned here.

"I ain't as good as I once was but, I'm as good once as I ever was"