Aero Precision M4A3 Upper Receiver

Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law enforcement communities for a simple fact - they work better.

Aero Precision M4A3 Upper Receiver
M4 Feed Ramps
5.56/.223