I have two loadings i just tried out with 4064 ,
LC brass, 62 gr. Barnes TSX bullet,24 grs. 4064 ,COL -2.250"
avg.vol.-2780fps
ES - 100
SD - 33
LC brass ,52 gr. SMK bullet, also 24 grs. 4064 , COL - 2.180"
avg. vol. -2896 fps
SD - 80
ES - 40
Shot from a 24" ultra match barrel, AR 15
They all shot good ,but loads need more experimenting