for my single shot I decided to neck size the brass fired in my gun.Things seem to be going along smoothely,until... I took the seater plug out of my ol fl die to use it as a crimp die.The rounds I loaded were just fat enough near the bottom to not enter the old seater die...so, no crimp.:huh: Now I'm almost afraid to see if they will chamber in the rifle.they should,but...... A lot ot folks say they never crimp rounds shot in a single shot,so I guess I'll find out how they work Sure glad I stopped at 40 rounds !!! ps anyone have a crimp-only die for a .223 to sell,like maybe Lee? I know they make them.I'll order one if the accuracy isn't what I think it should be.Expectations are low to medium,we';ll see.