20 moa mounts will help a lot
Subsonic ammo will not work,
CCI standard velocity gives good results across a broad range of guns
CCI Standard is subsonic.
I've got 40.2 mils remaining using a 10x MQ and 75-moa rail, after 50y zero with Wolf. That gets me to nearly 600, but I generally shoot out to a max of 400-500.
The 54 trigger is tough to beat.