Thread: Bullet Seater Stem

Hi all. I've been having issues with seating stems not fitting the profile of my cast bullets causing inconsistent COAL and leaving nasty rings on my bullets. After watching a few youtube vids were guys use wet and dry sand paper wrapped around or some lapping compound on a bullet in a drill to sand/grind and polish the inside of the stem to suit the bullet. So I gave it a go with sand paper, after 2 hours I didn't get very far. I do need to remove quite a bit of material. Has anyone had to do something like this and know a way to speed up the process? Thanks