You will no doubt be soldering on a barrel band and perhaps an extra recoil lug even if you do not end doing either a switch barrel or take down rig. I am a big believer in crossbolts and the extra lug for the big rifles. I often learn the hard way.
This link is my solution to take down rifles -
http://www.nalpak.com/Tuffpak-1050-G...shioned-Handle
The one that I use is a little bit different as it utilizes a padlock. In airports and hotels most people think I am wheeling around my golf clubs.