For those using BT, are you regularly getting exit wounds? CT, with the TTSX, are you getting reliable expansion at 7mm08 velocity? I’d expect the BT to expand—-more concerned with the Barnes given troubles I had decades ago.
We have used the 120 BT on everything from Coues whitetails and pronghorns to elk and it has always expanded and almost always exits--even on the one big elk we shot with it. The only time that I can remember that it didn't exit was on a very large-bodied mule deer that was a little over 400 yards (ranged at 402 after the shot). For years, I loaded it with 50.0 grains of H 414, but in the last batch I switched to Big Game which turned out to be a little more accurate in my daughter's rifle.
