Aero Upper Receiver Completion Kit

AR15 Upper Receiver Completion Kit

This upper receiver completion kit comes with everything you need to complete your AR15 stripped upper receiver, including:

• Mil-spec ejection port door constructed from stamped steel
• Ejection port door spring
• Ejection port door pin
• Ejection port door C-clip (Installed)
• Forward assist
• Forward assist spring
• Forward assist retention pin