On Wed, 26 Aug 2015 10:44:13 -0700 (PDT), Tim
wrote:

Greg, at those pressures it can often times swell the cylinders. A guy I know did that with a .44 mag and made it hotter. It swelled the cylinder bad enough he had to knock the spent shells out with hammer slightly tapping on a metal rod. Not the best idea

I worked up to that load, I didn't just stuff the case and give it a
try ;-)
It ejected just fine.