Description
Description
- M4E1 Assembled Upper Receiver
- 15″ ATLAS R-ONE M-LOK Handguard
- 16″ 5.56 HBAR barrel
- Product comes assembled
- This complete upper does not include BCG or Charging Handle
The AERO PRECISION M4E1-T 16in 5.56mm Atlas R-One M-Lok Complete Upper Receiver incudes an HBAR profile barrel that is laser marked “HBAR”.
