Re: differnce in 1-8 and 1-8.5 twist 6.5 barrel
My 8.5 twist sends the 139,140,and 142s like a laser out of my .260. I would only consider the 8 twist if I were shooting in 10 degree weather a sea level all the time. Call Terry Cross or Robert Gradous and ask them if a 8 twist is necessary...