Originally Posted by Dre
Monos need speed to work better.
I shoot 168 ttsx at 2850 out of my 06.
The 308 with short barrel should be shooting 150s to get as much speed as possible.

168 grain TTSX is supposed to expand down to 1500 fps, the 150 grain TTSX is rated down to 2000 fps according to Barnes FWIW.