This is an FN FN15 semi-automatic AR-15 style rifle in .223 Remington (5.56 NATO) caliber. It has a 16.5" barrel, 3-prong flash hider, full-length picatinny top rail, aluminum hanguard, ambi-safety, and 6-position buttstock. This rifle is in good condition with a clean bore. It comes with one 30-round magazine.