Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 12" M-LOK ATLAS S-ONE HG - Anodized Black

Aero Precision M4E1-T Complete Upper, 16" .300 Blackout Barrel, 12" M-LOK ATLAS S-ONE HG - Anodized BlackThis complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. 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.Includes:M4E1 Threaded Assembled Upper ReceiverEnhanced Handguard of choice16" .300 Blackout CMV BarrelLow Profile Gas Block and Pistol Length Gas TubeProduct comes assembledM4E1 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 installedATLAS S-ONE Handguard Features:Front and rear picatinny railEliminated center of top rail for weight reductionIndexing grooves in 12:00 position for positive grip controlQuick 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 barrelsLearn More about our NEW ATLAS S-ONE HanguardsBarrel Features:Chamber: .300 BlackoutLength: 16"Material: 4150 Chome Moly VanadiumFinish: QPQ Corrosion Resistant FinishGas System Length: PistolGas Block Journal: .750"Twist Rate: 1:7 InchesMuzzle: 5/8x24 ThreadedWeight: 29ozOther; M4 Feed Ramp Extension, HP and MPI Tested, Standard A2 Flash Hider**Does not include BCG or Charging Handle**