Cant speak for the 75s but my "go to" load for conventional 50-55 grainers is 28.0 Gr. IMR 4895 I shoot mainly 50 gr. Vmax and 55 gr. Hornady SP

My "go to" load for deer and the like is 28.5 Gr. H335 and a Barnes 55TTSX


"...the left considers you vermin, and they'll kill you given the chance..." Bristoe