Shadow, The Feed Ramp on my xdm 5.25 is polished and is pretty wide I guess to feed hollow points reliably, It would be interesting too see how they do.
.356 should work with PC. I usually use .357 but depending on the gun and the OAL used that can cause issues...
I have used that mold for many thousands of .38 Special rounds and prefer it over most other molds. For 9mm it works but definitely would not be one of my top choices...