oops must not have atatched. I'm new to reloading....
what do you know,,I wasn't even looking at my used ammo,,,used yesterday and tonight at the range,,243 heavy barrel,,,,checked my ammo...and I have the exact set of ring's on mine also,,,hmmmmm,,,,my rem 770 243,,doesn't leave these impressions,on my shells,,,,,not reloading YET !,,,,,but that's coming soon