Sorry I don't have any specific source for load data for that particular bullet. You might do a search on Steve Ricciardelli's site, Steve's Pages. com.
I load a 305 grn. version of that bullet with 18 grns. of 2400, over a CCI magnum primer. It's a good load in my Redhawk, and doesn't seem to be max. I believe this would be a safe starting point for your load, but as always, start low, and work your way up. Be sure to put a healthy crimp on it as well!
Best of luck with your load development!
