My 6.5WSM 9 twist Lilja doesn't seem to shoot 129 gr SST's any better than 1 moa. My local gun shop has some 130 and 140 gr VLD's. The 140 box says use 9 twist or faster. Would I be safer trying the 130's? They still have a super BC at .595 as compared to the 140 at .640 BC. What say you guys?