Mine shoots 1/3-1/2 MOA with 28.0gr Benchmark under 32gr V-Max, 4035 fps.
Some people have good luck with Win748 too. QuickLoad thinks the velocity would be better. Seems some times people seem to get 4,200 some no better than Benchmark.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.