I've run my 2 Maxus with .665 Indian Creek and with Hevi-6 or Apex TSS 8.5 it's fantastic. 230+ and 320+ 40y/10"
One thing that is strange is Browning TSS #7 shoots a great pattern too but it's POI is low and left of any other shell I tried. Anyone have any info are they made with some other components that make them shoot different? Old H13 Longbeards Apex and old Remington shells all shot to same POI but the Browning TSS was consistent yet different.