I have a complete 5.45x39mm AR15 upper. This is a 16 in Balistic Advantage 1/8 twist Stanless melonited QVC coated mid-lengthbarrel. Aero upper and 12 Mlok Free float rail. Has there nickel boron enhanced bolt and chargeing handle. Comes with 4 30rd C products defense mags. Less than 100rds...