Aero Precision M4E1 Threaded Assembled Upper Receiver: Freedom Edition, Anodize Black


  • Laser engraved American Flag on tang of receiver
  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes threaded forward assist roll pin
  • Includes port door and forward assist


  • M4E1 Threaded Assembled Upper Receiver in Anodized Black
  • Port Door and Forward Assist installed