Beautiful. Elated with this upper on my build. Looking forward to my blackout build next.
Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit
*****Ammunition Notification***** Ghost Firearms 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.