This is a complete AR-15 upper receiver kit with a 7" Quad Rail and 7.5" Stainless Barrel The parts included are below: AR-15 M4 Upper Receiver
- 7.5" Stainless Barrel .223 Wylde
- 7" Slim Rail
- Gas Tube, and low pro gas block
- Ejection Port Cover
- Charging Handle
- Forward Assist
- Flash Suppressor
- M-16 Bolt Carrier Group
