I must be missing something here? I use factory 150g Rem Core-Lokt in my 14" Contender pistol barrel. Every deer I've shot with them have been DRT.
But then again, my maximum distance is 40yds with the average shot being 27yds. I get full expansion when it hits a bone, lol. But I've not lost a deer yet.
But I do like the look of those expansions on the GMX and TAC-TX BT's posted.
I use my Encore with a 12" .308 barrel. Factory loads too. It starts biting after about 5 or 6 rounds.