I have a .370 mold of theirs. It works great. If you have a production pot, you can really turn out some ball.
When I got mine, I cleaned each chamber out with acetone on a q-tip and then coated with Franklin Arsenal drop out. Take the time to clean it, there will be some odd chips in there leftover from milling.
I don’t need this .370 anymore, if you happen to be looking for that size. I went to a .360.