his is a complete AR-15 upper receiver kit with a 7″ Quad Rail and 7.5″ Stainless Barrel
The components that comprise this kit include:
AR-15 M4 Upper Receiver
- 7.5″ Stainless Barrel .223 Wylde
- 7″ Quad Rail
- Gas Tube, and low pro gas block
- Ejection Port Cover
- Charging Handle
- Forward Assist
- Flash Suppressor
- M-16 Bolt Carrier Group
The AR-15 M4 upper receiver kit is available in a black anodized finish.
This is a not an FFL item. It requires further machining before it can be used.