Just for grins, I loaded up a dozen or so Starline 44 mag cases with 9.4 grains of Power Pistol, WLP Primers and 429-421 boolits cast hard and sized .431.
12 shots don't tell you all there is to be said, especially at 50 feet, but my initial experiment looks pretty promising. I need to load up some more and get out to the outdoor range where I can do some shooting at a longer distance.