Scrounger, 9mm cases swage easily. I had them on the stove for a half hour and they are easy to swage in the dies. I'm just using a RC press.
I'm going to get clarification on what the ATF considers to be "fully jacketed" as it pertains to the ban on manufacturing armor piercing ammunition for handguns. Ammunition is defined as bullets too, that's already covered.
But if a guy took a 90gr core with a 9mm case weighing 60gr, the jacket is more than 25% of the total bullet weight and this violates the USC.