Aero Precision M4E1-T 7.5" 5.56 Pistol Upper Assembly - No Logo

This upper assembly includes the 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. The 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 Receiver 7.3" M-LOK ATLAS R-ONE Handguard 7.5" 5.56 Pistol Length CMV Barrel Low Profile Gas Block and Pistol Length Gas Tube Product comes assembled The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.M4E1 Threaded Upper Receiver Features: New enhanced forging that gives the upper receiver a "billet look" M4 Feedramps .250 takedown pin holes Includes port door and forward assist installedATLAS R-ONE Handguard Features: Full top picatinny rail for optional attachments Quick disconnect sling socket at the 3, 6 and 9 o'clock positions Compatible with low profile gas blocks 1.3" Inside diameter 1.5" Outside diameter Compatible with mil-spec AR15 upper receivers and barrels7.5" 5.56 Pistol Length Barrel Features: Chamber: 5.56 Length: 7.5" 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: 17.23 oz M4 Barrel Extension HP and MPI Tested