65.7gr of H4350 inside Winchester brass primed with WLRM topped with 175gr LRX. Runs 3000fps with a single digit SDs and low teen ES. This is from a factory Tikka T3X with a chopped barrel to 20” and Crux Ark30 suppressor.
Also used 66.4gr of RL16 and got 2965fps with single digit SD and ES...