that's probably as close to a true Keith as your gonna get in a new production mold.
I have an older 477 close to that and it shoots well in anything it chambers in.
try a couple in your Lever Gun, if it feeds I bet it is accurate as all get out.
you might need to disregard the crimp groove or use 38 cases, I seat my 454424 to the front band like a big 45 acp bullet and it shoots very well.
airc someone put out data for the 45 with the 454 seated that way sometime back, but I just cut my data by 15%.