Much depends on the diameter of the base of the case- for making 8x68's or 9.5x68's, that is.

I made 9.5x68's using .375 H&H brass. Trim to length, turn the belt to .522", re-set the shoulder for a crush fit and fireform.

Worked perfectly as the headspace was zero - as I set it by placing the shoulder for a crush fit. The cases swelled out perfectly ahead of the turned belt to fit the chamber and they also had 3gr. greater capacity than the parent 8x68 RWS case necked up and fireformed.

What is the belt & base diameter of this new round. It is standard .532" and .513"?

I couldn't tell perfectly by the pictures, but appears to be a standard magnum case, with sloping case sides and very small shoulder. They appear they will be easily made form H&H brass.