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APAR700201AC Aero Precision M4E1 Threaded Assembled Upper Reciever - Anodized Black

Manufacturer: Aero Precision
Manufacturer part number: APAR700201AC
UPC: 815421020977
Availability: Out of stock - Currently No Backorders
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The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as the M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts. The M4E1 Threaded Upper Receiver is designed to pair perfectly with the M4E1 Lower Receiver, giving you a billet looking receiver set at a fraction of the billet price.


  • 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


Material:Machined from 7075-T6 forged aluminum
Finish:Anodized Black
Compatibility:Works with standard AR15/M16 components
Weight:8.65 oz
Other:Barrel Nut Torque - 50 ft-lbs
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