Re: 6mm-223 ?
I have a 16-inch AR in 6mmx45. It does make one hole at 100 yards, do to the light recoil with 23.0gr of H322 pushing a 65gr moly V-max. I make cases by heating the 223 neck with a propane torch for less then six seconds then press them out with Hornady die set.
In the early...