Z: I've never had a problem with splash. In fact, Speer advises the 50-grain TNTs shouldn't be used above 3400 fps. Speer says it was designed specifically for calibers with .222 and .223 velocities. From what I've seen, you can't go wrong with the TNTs.
I hang out in a little city called Melville, about 90 miles northeast of Saskatchewan's capital, Regina. I head down to northeastern Montana three times each fall chasin' roosters. Been going there for years -- good fun, great people.