"A USA" 223 headstamp brass
Anyone familiar with the brass or ammo that comes with "A" and "USA" on the headstamp? I got about 150 pieces from range pick ups and it's different.
It won't trim in my Giraud because it appears the necks are thicker. Neck outer diameters are running about .003" bigger than ALL OTHER flavors of brass. And a rough caliper measure of neck wall thickness appears to be about .003 thicker than other brass.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
Bookmarks