That's not a real bright idea. Better to leave it regulated for the standard load and shoot reduced loads with lead bullets for practice and for plains game. For the handful of buffalo you will shoot during the remainder of your hunting career, I am sure you can handle the full recoil of a .470. I recently watched "Deadly Intent" in which a 110 pound lady brain shot a bull elephant with a .470 that had a scope. She had no problem at all with the recoil.