Aero Precision Complete Upper M4E1-E 5.56 8in Pistol Barrel EM7.3 Cerakote FDE

This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.Includes: M4E1 Enhanced Assembled Upper Receiver 9.3" Enhanced M-LOK Handguard 8" 5.56 Pistol Length CMV Barrel Low Profile Gas Block and Pistol Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.M4E1 Upper Features: Forged from 7075 T6 aluminum Precision machined to M4E1 specs M4 feedramps Matte black hard coat anodized Mil 8625 Type 3 Class 2 Laser engraved T-marks (Anodized only) Comes assembled, with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards Barrel nut and wrench are includedGen 2 Enhanced Handguard Features: 1pc free float design Built in anti-rotation tabs Scalloped rails Continuous top rail 1.78" inside diameter fits most muzzle devices and 1.5" suppressors Compatible with low profile gas blocks Quick disconnect sling socket at the 3, 6 and 9 o'clock positions Additional milling along flats to aid with gripping and add visual appeal New profile for the continuous picatinny top rail8" 5.56 Pistol Length Barrel Features: Chamber: 5.56 Length: 8" Twist: 1 in 7 Threading: 1/2"x28 Material: Chrome Moly Vanadium Finish: QPQ corrosion resistant finish both inside and out Gas Block: .750 Gas System Length: Pistol Weight: 17.76oz M4 Barrel Extension HP and MPI TestedSpecifications: Shipping to FFL Dealer Required No Made In America? Yes Platform AR15 Series M4E1 Caliber 5.56 NATO Barrel Length 8"