ar 15 7.5' upper receiver 5.56x45 no bcg no charging handle
- Gcu Ar15,m4 7.5" upper receiver complete
- Givati Company USA Upper receiver complete half (cerra forgings)
- Caliber: .223 / 5.56
- Barrel: 7.5" Chrome Moly Vanadium
- Rifling Twist:
- Muzzle Device: Flash Suppressor
- M-15 Uppers use 7075-T6 Aluminum.
- Upper Receiver: Forged Flattop with Picatinny Rail
- 7.2 free Quad float rails
- Low profile nitride gas block
Made in USA ...
Warranty: 1 year warranty against manufacturer defect.
***Ammunition Notification*** GCU test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.