I would assume, but I have no experience with it. Remember, if you buy 1000 rounds and it doesn't work in your gun, your gun is worthless. Check old threads about steel ammo on ar15.com. They are cunt's. But you should be able to find opinions on steel cases through a 556 AR
Probably 5.56 with those brands would be ok too?
I would assume, but I have no experience with it. Remember, if you buy 1000 rounds and it doesn't work in your gun, your gun is worthless. Check old threads about steel ammo on ar15.com. They are cunt's. But you should be able to find opinions on steel cases through a 556 AR