Caliber: With This Upper Build Kit, You Can Feel Confident That You're Getting A Round That Is Generally Available And Reliable, And An Upper Build That We Created, But You Chose. Not Only Is 5.56 NATO Known As A Versatile Round, But As A Smaller Round(Especially In A Rifle Platform), 5.56 NATO Will Be Easy For You To Shoot And Control. With 5.56 NATO Being The Most Popular Round For The AR-15 Platform, This Upper Build Kit Will Be A Crucial Part Of Building Your Personalized Tool For Using This Caliber.
Upper: This Upper Features A Back Diamond Series AR-15 Billet Upper Receiver. This Upper Receiver Does Not Have A Forward Assist, However It Does Still Retain The Dust Door Cover.
Barrel: Included Is A 16" 5.56 NATO Barrel From Faxon Firearms. Made From 4150 CMV And Comes With A Nitrided Finish, This Barrel Has A 1/2x28 Thread Pitch, A 1-8 Twist Rate, And Has A Socom Profile.
Handguard: This Upper Features A Premium 15" Lakota Ops ACE Series M-Lok Handguard. This Handguard Is Made From The Highest Grade 6061-T6 Aluminum And Is Reinforced With Class 2 Type III Black Hard Anodizing. With M-Lok Cutouts On The Sides, This USA Made Handguard Will Allow You To Mount A Variety Of Accessories.
Muzzle Device: Included Is A Recoil Technologies Nitride 1/2x28 Muzzle Device. This Muzzle Device Not Only Sports Three Prongs In The Front, But Also Two Ports On The Top And A Port On Each Side For A More Controlled Shooting Experience.
Barrel MFG: Faxon Firearms
Barrel: 16" 5.56 NATO 4150 CMV Barrel
Twist Rate: 1-8T
Thread Pitch: 1/2x28
Gas System Length: Mid-Length
Upper: AR-15 Black Diamond Upper Receiver
Handguard: Lakota Ops Premium ACE Series 15" M-Lok Handguard
Gas Block: .750 Low Profile Steel Gas Block
Gas Tube: Stainless Steel Mid-Length Gas Tube
Muzzle Device: Recoil Technologies 3 Prong Nitrided Muzzle Device
Ejection Port Door: Omega Mfg. AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 3lb 6.1oz
Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up to date shipping status.