Aero Precision M4E1 Threaded Assembled Upper Receiver - Anodized Black

SKU# 1675 | by Aero Precision
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Manufacturer's Description

The Aero Precision M4E1 Threaded Upper Receiver (formerly known as the Gen 2 Upper Receiver) gives you that angled billet look without the high cost or the fitment issues many builders experience when trying to mate a non-matching billet upper/lower receiver. This unit also saves time by including the forward assist and dust cover pre-installed.

M4E1 Threaded Assembled Features:

  • New enhanced forging that gives the upper receiver a "billet look"
  • Pre-installed Forward Assist and Dust Cover!


  • M4 Feedramps
  • .250 takedown pin holes
  • Lazer engraved T-marks


  • M4E1 Threaded Assembled Upper Receiver in Anodized Black

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