I have some old notes regarding loads with the 150 TTSX in a couple of 22" .308s...
In a Model 70 Extreme Weather 44 grs. H4895 gave 2820 fps. In a New Ultra Light Arms Model 20, 47 grs. Varget did 2878. 47 grs. 748 showed 2860, but rifle is not listed in my notes; could have been a Kimber 22". I've tried many powders in .308s but usually go back to H4895 for all bullet weights between 150 - 180 grs.
I realize untipped bullets aren't popular these days because of the ballistic coefficient fad, but generally, I've seen slightly better accuracy with the regular 150 TSX BT bullet.
