< Back

M4E1 15" R-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black

This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".

Includes:

M4E1 Assembled Upper Receiver

15" ATLAS R-ONE M-LOK Handguard

16" 5.56 HBAR barrel

Low Profile Gas Block and Mid-Length Gas Tube

Product comes assembled

This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.