Re: Can I squeeze out more without spending?
You have not mentioned your loading techniques. Do you have room for improvmnet there?
Deburr your flash holes, uniform the pockets, keep you neck tension cosistent, your run out to a minimum and you will get there.
I also agree with another post in this thread. If you get too greedy, you will be looking at a new barrel and soon.
The bullets I have had the best luck with when all that mattered was accuracy was the AMAX, SMK, Hornaday BTSP in that order.
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.