.223
I have some loaded rounds that got the shoulders of the case set back to far when sizing,
Die was not set proper.
I did the quick and Dirty head spce check, "Masking tape on the case Head".
I can fit 2 layers of tape, .008 and bolt closes easy.
1 more layer, total of .012 and the bolt will not close.
Safe to fire the rounds or pull'em down ?
By the way factory FC .223 Ammo has less than .004 of Head space