Re: loads for .308 WIN
+1 on VARGET and RL-15. You will have a hard time beating either with the 178 in 308. Try VARGET 1st (supperior in temp change stability), if it doesnt shoot good enough then try RL-15 (not bad in temp swings either). If that doest work, throw it away and start over.
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.