Those TSX and TTSX bullets are amazing when you shoot them light for calibre and fast as you can.
That's what they were actually designed for, shoot lighter bullets flatter for the same killing ability.

For some reason people can't let that simple idea sink into their heads.
A 130gn TTSX will kill big game better in a 30-06 then a 168gn will. Even from a 300 WSM the 130gn will out kill a 168gn.