Kit includes: Ballistic Advantage 16 .223 Wylde Tactical Government Stainless Steel Midlength AR-15 Barrel w/ Ops 12, Premium Series Aero Precision Stripped Upper Receiver APOC Armory Black Nitride .750 Steel Gas Block Stainless Steel Midlength Gas Tube Bore Snake (Import)Total retail value of this kit is over $300.Barrel Info:This Ballistic Advantage Premium Series 16 5.56 Government Profile Barrel is machined using 416R Stainless Steel with a Bead Blasted Finish. Premium Series barrels are enhanced with a FailZero Nickel Boron Coated M4 Feed Ramp Extension making it easy to clean and an ideal choice for pairing with a Nickel Boron bolt.BrandBallistic AdvantageLength16Chamber.223 Wylde (shoots both 5.56 NATO and .223)ProfileGovernment / SOCOMFinishQPQ NitrideBarrel Steel416R Stainless SteelTwist Rate1:8Gas System LengthMid-LengthGas Block Journal.750Feed Ramp ExtensionM4Muzzle1/2 X 28Weight32ozOther InfoHP and MPI Tested