Re: 300 rum twist
I shoot 200 grain accubonds and 220 SMK's out of a 12x Lilja in 300 RUM. Stabilize just fine. I also get slightly better velocity and BC's.
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.