Found a decent 375 plinking load.
245gr Lightning RNFP
10.5gr Unique CCI-200 Starline brass
Mean velocity 1329fps
I loaded some test groups from 9.5-12.0 grains and 10.5 was the sweet spot. Below 10.0 and above 11.0 all shot like garbage out of the rifle.
Iron sight group from 75yds yesterday.