Even at 2150 fps the 450 grain Punch and 450 grain NF FPS shot through the elephant head and on into the body. Besides, with a hotter load, that metal butt plate might pinch something!
CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS Android Reloading Ballistics App at http://www.xplat.net/