i'd go with the 7mm-08 to keep commonality and shoot the hornady custom lite 120 sst and just keep the shots to broadside and i feel you would get exits most of the time. if i'm not mistaken the 120 sst custom lite load in 7mm-08 is clocking around 2,675 fps mv. a fine bullet at that velo.
Big Ed

"Only accurate rifles are interesting"
Col. Townsend Whelen