M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, 15" R-ONE M-LOK HG - Kodiak Brown Anodized (BLEM)

This complete upper includes our R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary Aero Taper Lock Attachment System is a durable and dependable mounting platform, maintaining a modern, slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.Includes:M4E1 Threaded Assembled Upper Receiver - Kodiak Brown Anodized15" R-ONE M-LOK Handguard16" 5.56 CMV BarrelLow Profile Gas Block and Mid-Length Gas TubeProduct comes assembledThis complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tabM4E1 Threaded Upper Receiver Features:New enhanced forging that gives the upper receiver a "billet look"New picatinny profile that blends seamlessly with our Enhanced Series HandguardsM4 Feedramps.250 takedown pin holesLaser engraved T-marksIncludes port door and forward assist installedR-ONE Handguard Features:Full top picatinny rail for optional attachmentsQuick disconnect sling socket at the 3, 6 and 9 o'clock positionsCompatible with low profile gas blocks1.3" Inside diameter1.5" Outside diameterCompatible with mil-spec AR15 upper receivers and barrels16" 5.56 Mid-Length Barrel Features:5.56 NATO 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled.750 gas block journalMid-length gas system, .0785 gas port M4 Feed Ramp ExtensionHP and MPI testedStandard A2 flash hiderThis product is blemished. Blemishes may include:Plating inconsistenciesPitsScratchesDentsFlaws in finishOur blemished products are fully functional, they just didn't meet our high standards. They are a great product at a discounted price for someone who doesn't mind a slight imperfection. We do not accept returns on blemished products.