M4E1 Enhanced 7.3" 5.56 Pistol Length Complete Upper Receiver

M4E1 Enhanced 7.3" 5.56 Pistol Length Complete Upper Receiver Includes: - M4E1 Enhanced Assembled Upper Receiver - Enhanced Handguard of choice - 7.3" 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 included Gen 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 - Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positions - Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal - Gen 2 Feature - New profile for the continuous picatinny top rail 7.3" 5.56 Pistol Length Barrel Features: - Chamber: 5.56 - Length: 7.3" - 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: 17.25oz - M4 Barrel Extension - HP and MPI Tested Made In America: Yes Platform: AR15 Series: M4E1 Caliber: 5.56 NATO Barrel Length: 7.3" Other: N/A