I do not like what those particular bullets do to up-close deer. They are very frangible. I used them out to about 50 yards or so, and they were too explosive. If you are going to have shots that are 100+ yards, then they may behave better. They are accurate, though, which leads me to believe they (the SSTs) would be an excellent long range bullet.
They definitely have that reputation, though I've had good luck with both the 150's and 165's out of my '06. I bought a couple of boxes of the 150's for an antelope hunt; they performed admirably on a 300+ yard buck, but I'm left with quite a few and prefer the 165s for deer. So, my nephew is getting leftovers. (I don't think I own any other 150's.)
At this point, they're strictly for paper punching, but I wouldn't hesitate to send him off after our resident mulies with that bullet.
