Thread: Brass issue?

3/4 turn is quite a lot

Yeah it is a lot, I mainly just did that to see what would happen to the ring. When reloading I set up as per instructions ie. Screw the die in until it contacts the shell holder then a further quarter turn before locking the die off. Will also try a factory unfired round as you stated.

Simply looks like an end of sizing mark to me.

Is that something to worry about as I think this may be the number one cause. I can just catch my finger nail over it.