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The AR15 Left-handed Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps.

NOTE: The S-ONE and R-ONE handguards are NOT compatible with the Left-Handed Upper Receivers due to the Port Door Hinge Rod.

Features:

  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist

Includes:

  • AR15 Left-handed Assembled Upper Receiver in Anodized Black