As already mentioned:
64gr. H4350, 180 Partitions, Fed 215 with an OAL in my Montana at 2.850". This produces anywhere from 2935 - 2965fps. Great accuracy which is 1/2 - 3/4".

H4831, R-19 and R-22 struggled with 2850ish velocity.

My home is the "sanctuary residence" for my firearms.