I still run H4831 in my one remaining .270, but have run Hunter and Magnum in some with fine results. My wife used Hunter with 140 TSX's when she still hunted with a NULA in .270 Winchester and it worked great, but then she switched to a NULA in .257 Roberts (it also works great with Hunter and the 100 TTSX).
Gave up on RL-22 for my own hunting here in Montana years ago because it performed so poorly in cold weather, but for hunters who don't have to deal with temperature extremes it's outstanding.
Tried IMR7977 because Hodgdon's data shows it producing somewhat more velocity with 150's in the .270, but it didn't in my rifle, and the maximum load COMPLETELY filled the case.
Am gonna try RL-26 next for the same reason, and see if it beats H4831....
