Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS S-ONE Handguard - Anodized Black

Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS S-ONE Handguard - Anodized BlackThis AR15 Complete Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can maximize the weight savings for your next build.Includes:AR15 Assembled Upper Receiver with No Forward Assist7" M-LOK ATLAS S-ONE Handguard8" .300 Blackout CMV BarrelLow Profile Gas Block and Pistol Length Gas TubeProduct comes assembledThis complete upper does not include BCG or Charging Handle.The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.AR15 Upper Receiver with No Forward Assist Features:M4 Feedramps.250 takedown pin holesLaser engraved T-marksNo forward assist provisionsPort door 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 barrels8" .300 Blackout Barrel Features:Length: 8"Twist: 1 in 7Muzzle: 5/8x24 ThreadedMaterial: 4150 Crome Moly VanadiumFinish: QPQ corrosion resistant finish both inside and outGas Block: .750Gas Port: .109Gas System Length: PistolWeight: 18ozM4 Barrel ExtensionHP and MPI Tested