Search:

Also quite a problem with pure lead cast Powder Coated bullets that are easy to "ring" with the seating stem if it has a sharp corner or the wrong angle for your bullet nose

This is a common problem with big bore BP cartridges
Some die sets come with two seating stems to use with flat nose or spitzer bullets

I have modified a number of them to suit a particular...

Disassemble again and smooth out the inside corner on the steating stem where it contacts the projectile

Spin it in a drill and use fine sand paper and then 0000 steel wool on the offending mark...