16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper

16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete UpperAn affordable BCG. Our commitment is to deliver a product that performs perfectly right out of the box, and we stand behind this promise with a guarantee.Specifications Slick Side Billet Upper Receiver 6061 Aluminum M4 Feedramps 16" 5.56 NATO 1:7 Twist Mid-length 416R Stainless Guaranteed to hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques Black Nitride M16 .223/5.56 Bolt Carrier Group 9310 MPI 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 Mil-Spec Charging Handle Mid-Length Gas System Nitrided Steel Gas Block Stainless Steel Mid-length Gas Tube M-LOK Free Float Handguard (Style May Vary) 6061 Aluminum US Made Mil-Spec A2 Birdcage Muzzle Device with Jet Black Nitride FinishLimited Lifetime WarrantyGuaranteed Sub-MOA performance with match grade ammo and proper shooting technique