According to JBM ballistics, a .30 150gr TTSX started at 3000 fps hits 2000 fps at 450 yards. A 168gr TTSX started at 2850 hits 1800 fps at 550 yards.
You get 100 yards of additional terminal performance with the 168s. I used these velocities as they are approximately what I achieve in my 30'06. The 168s are more difficult to get to shoot well than the 150s in my rifle, however FWIW.
Last edited by tcp; 09/07/22.
