I run LC brass in my M1A. It shoots good enough @100 to impress my friends, but not you guys. I get ~3-4" @100 typically, with groups ~ 2.5" on a good day. That's fine for my purposes.
You can tell the MG brass if you have a non-MG fired brass to sit beside it.
"Always place your clothes and weapons where you can find them in the dark"
"Understand that the enemy is not the enemy in his own eyes ;this may offer you an opportunity to make him your friend. If not, you can kill him without hate, and quickly."