16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper This is an affordable AR-15 upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum, quality American Made handguards and using a proven M16 profile Black Nitride BCG paired with an 16" Mid-Length Barrel. Features Slick Side Billet Upper Receiver M4 Feedramps .250 takedown pin holes 16" 5.56 NATO 1:7 Twist Mid-Lenght Parkerized Barrel Guaranteed to hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques. Black Nitride or Nickel Boron M16 Bolt Carrier Group - .223/5.56 Full Auto Capable 9310 MPI and HPT Tested Bolt Case Hardened 8620 Carrier 4130 Gas Key Grade 8 Hardware With Proper Staking Gas Key Sealed With Permatex No.3 8740 Hard Chrome Firing Pin Standard Mil-spec Charging Handle Mid-Length Gas System Nitrided Steel Gas Block Stainless Steel Mid-Length Gas Tube 12" or 15" American Made M-LOK Handguard Mil-spec A2 Birdcage Muzzle Device - Nitride Limited Lifetime Warranty