[dmazur]

AFAIK, there's no way to correct for an overcharge other than to break the rounds down to components and start over.

I'll admit to having to pull down a 50 rd box of pistol ammo because my powder measure partly disassembled itself during a run, changing the amount of charge.

The important thing to do is have some kind of process check. Some use a powder cop die in their progressive press and check every round. Others trust their equipment and check every x rounds to verify charge. And "batch" reloaders check the loading block visually before seating bullets.

I've never had a problem since that powder measure incident, but I check the thrown charge every box just because it makes me sleep better...