Aero Precision M4E1 Enhanced Barreled AR-15 Upper .223 Wylde Fluted Rifle Gen 2 – 18″


  • 18” .223 Wylde barrel
  • 416R stainless steel fluted barrel
  • HPT and MPI
  • Bead blasted finish
  • 1:8 twist rate
  • Rifle length gas system
  • M4E1 Enhanced forged 7075-T6 upper
  • Hardcoat anodized
  • Laser engraved T-marks
  • Scalloped picatinny top rail
  • Built in anti-rotation tabs
  • M-LOK slots
  • Forged handguard mount
  • Compatible with most BAR-system handguards
  • Does not include BCG or charging handle


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SKUAPAR640232M51 Category

Looking for a high-quality AR-15 barreled upper receiver? Look no further than the Aero Precision M4E1 Enhanced Barreled AR-15 Upper. This top-of-the-line receiver is forged from 7075-T6 aluminum and precision machined to M4E1 specs, ensuring a perfect fit with Mil-Spec and aftermarket parts. It’s finished with a matte black hardcoat anodizing and features laser engraved T-marks on the upper picatinny rail.

This 18” .223 Wylde barreled upper comes complete with the superior Enhanced Gen 2 M-LOK free float handguard. This handguard offers improved ergonomics and a lightweight design with scalloped picatinny top rail. It also has a large 1.78” inside diameter, making it ideal for use with suppressors. Don’t settle for anything less than the best – go with the Aero Precision M4E1 Enhanced Barreled AR-15 Upper.


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