This is new Lake City Mil-Spec .223 (5.56) Brass, uncrimped, unprimed, annealed case neck, NATO Spec, direct from the US Lake City Arsenal. Headstamped LC 09 with the NATO cross. We were able to find some excess stock, so we have a very limited quantity of this brass at a great price. New brass, never loaded, unprimed and perfect to create a super accurate load. This is unprimed brass, top tier brass, not loaded ammunition.