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: Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
Barrel: Included Is A 16" 5.56 NATO Barrel From ELD Performance As Part Of Their Alpha Series. Made From 416R Stainless Steel, This Barrel Has A 1/2x28 Thread Pitch And A 1-8 Twist Rate.
Handguard: Included Is A RISE Armament RA-905 Series 13.5" Lightweight M-Lok Handguard. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.
Muzzle Device: This Upper Includes A Recoil Technologies Faux Can Shroud Which Is Designed For Any AR-15 Builds. This Is Not An Actual Suppressor, But Mimics The Look Of It. The Thread Pitch Is 1/2x28 And Has A Nitride Finish. This Is A Slip Over Barrel Faux Muzzle Brake With Compensator.
Barrel MFG: ELD Performance Alpha Series
Barrel: 16" 5.56 NATO 416R Stainless Barrel
Twist Rate: 1-8T
Thread Pitch: 1/2X28
Gas System Length: Carbine
Upper: AR-15 Mil-Spec Upper Receiver
Handguard: RISE Armament RA-905 Series 13.5" Lightweight M-Lok Handguard
Gas Block: .750 Low Profile Steel Gas Block
Gas Tube: Stainless Steel Carbine Gas Tube
Muzzle Device: Recoil Technologies Faux Can Shroud
Forward Assist: Omega Mfg. Forward Assist Assembly
Ejection Port Door: Omega Mfg. AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 3lbs 11oz
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.