It says....
US mfr. .223 55grn FMJ
New Centurian brand 2008 Production .223 Ammuniction manufactured in the USA by a DoD Contractor. This is First Quality Ammunition utilizing the finest in components including a 55grn full copper jacketed lead core boat tail bullet, brass case, and Non-Corrosive boxer primer. Bulked packed in 500rd bags in a 500rd .30 cal ammo can. This ammo has proven to be among the most accurate and reliable .223 available in the market today.
Item #A223US 500 rd can: 9.95ea
This does NOT appear on their website and this is one of their "fall specials" from their catalog I got. If you are interested I can scan
www.aimsurplus.com