Description
Aero Precision M4E1 5.56 14.5″ Complete Upper w/ Pinned VG6 Gamma 556SLrThis complete upper includes our ATLAS 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 ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.rIncludes:rrM4E1 Threaded Assembled Upper ReceiverrATLAS R-ONE Handguard of choicer14.5″ 5.56 Mid-Length CMV BarrelrLow Profile Gas Block and Mid Length Gas TuberVG6 Precision GAMMA 556 SL (pinned and welded)rProduct comes assembledrThis complete upper does not include BCG or Charging Handle.rrM4E1 Threaded Upper Receiver Features:rrNew enhanced forging that gives the upper receiver a “billet look”rNew picatinny profile that blends seamlessly with our Enhanced Series HandguardsrM4 Feedrampsr.250 takedown pin holesrLaser engraved T-marksrIncludes port door and forward assist installedrrATLAS R-ONE Handguard Features:rrFull top picatinny rail for optional attachmentsrQuick disconnect sling socket at the 3, 6 and 9 o’clock positionsrCompatible with low profile gas blocksr1.3†Inside diameterr1.5†Outside diameterrCompatible with mil-spec AR15 upper receivers and barrelsrr14.5” 5.56 Mid-Length Barrel Features:rrChamber: 5.56rLength: 14.5″rTwist: 1 in 7rThreading: 1/2″x28rMaterial: Chrome Moly VanadiumrFinish: QPQ corrosion resistant finish both inside and outrGas Block: .750rGas Port: .0785rGas System Length: MidrWeight: 26ozrM4 Barrel ExtensionrHP and MPI Tested
