Kend
the 1-9.5" will probably struggle with the 140s. i had a 1-9" .264 Win that would shoot the 140s, but not the 142 SMK, leading me to believe that i was on the edge with 1-9"
if building from scratch, the 1-8" twist is the clear choice, but i've run 1-8", 1-8.5", and 1-9" .264s.
