Have not tried it, and nobody I know personally has yet either.
Their page says similar to RE-15, but it is pull down from a cannister grade of Rheinmetall-Denel (RDM) S341
Here you will find load data: https://shootersworldpowder.com/data-table/
Keep in mind, the stuff you will get is pull down powder and you will need to do your load work-up carefully to see how your batch behaves compared to any other data you find.