Have taken 6 deer so far with the TSX in a 243-3deer, 270-2 deer, and 1 with a 50 cal Omega which I used a .451 Barnes Spit-Fire (or some such name)
All were one shot Bang-Flop kills.
All were pass thru's except the MZ which I hit the buck at the base of the skull just below his ear and it turned his head into pudding- did get the rack but nothing to mount on this 8 pointer- in defense of my shooting, he was moving and I guess I led a hair too much for his chest to catch up with the round.
Anyway, they worked great for me.
Little problem with copper fouling-cannot say I see anymore with Barnes than I do with conventional ammo but as previously noted, start with a CLEAN barrel.
Just my observations.
Gary