Assembled M4 Upper Receiver with Port Door and Forward Assist - Choose Color
This M4 Mil-Spec Upper Receiver comes with the port door and forward assist. These AR-15 uppers are precision machined from industry leading 7075 T6 aircraft grade aluminum forgings and they come with the upper completion kit already installed!
- M4 feedramps
- Machined from a Mil-Spec 7075 T6 forging
- Type III Hardcoat Anodized finish
- Includes port door and forward assist
- 100% Made in USA
See reference "CHART A" and "CHART B" tabs above.
- Maximum Purchase:
- 20 units