Originally Posted by Edd
Isn't the thickness of the brass you intend to use the first thing you need to know? If you don't know the neck diameter of the ammo you will be using, you are just guessing. If you are guessing you should probably guess SAAMI specs. SAAMI is .3407"/.3421" .
I'm unsure of the average thickness of factory ammunition these days. I'm seeing everything from .339 and up during my search for spec.
Thus my quesiton, What has been working for others? I'd Like to stay as minimum as possible, yet stay no turn.