Bullets used for the first two shots were Hornady DGX's. The 2nd shot was a running shot which hit but didn't really matter (or make a difference) as the first was spot-on. That buff went for no more than 10 yards before coming to a standstill swaying... Granted, I did have my client send some more lead his way just to be sure but it was not necessary and that buff would have gone down either way.
Hence my (somewhat) tongue in cheek statement that the buff would agree with avoiding Hornadys...
Having said all of this, my personal preference is still Barness TSX or Solids. the Rhinos work well too as proven on an Ele last year but the 550 gr's do not feed reliably in my Lott and until this has been resolved I will avoid them.
Two weeks ago in Zimbabwe I made a 70 yard one shot kill. In fact dropped it in its tracks. Quartering away. 375HH Federal Premium 300gr Barnes Triple Shock. Can't say its the best can just say when I pulled the trigger it hit the ground not even a step. First Buffalo