was wondering how many of you have shot the GMX bullet, and how you like it? i was looking at the 90gr for my 257 roberts, looks like it will be a sweet bullet. i love the barnes ttsx cause they shoot holes upon holes for me, and i know if it aint broke dont fix it, but thought i might give them a try, unless these bullets just kinda explode once they enter the animal, instead of keeping their weight retention