Colt Competition, Pro, Semi-automatic, 223 Rem, 16" Barrel, Black Finish, 6 Position Stock, 30Rd Product Specifications UPC Code: 857733003293 Manufacturer: Colt Competition Model: Pro Action: Semi-automatic Type: AR Caliber: 223 Rem Caliber: 556NATO Barrel Length: 16" Finish/Color: Black Grips/Stock: 6 Position