Aero Precision | M4E1 Threaded Stripped Upper Receiver

Aero Precision

Sale! $109.99 - $124.99
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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 our 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.


  • New enhanced forging to gives the upper receiver a billet look
  • New Picatinny profile that blends seamlessly with the Atlas Handguard
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes threaded forward assit roll pin
  • Does Not include port door or forward assist