Aero Precision FDE 13.7” upper

New upper built by Ray Gunworks 
FDE AERO standard upper 
12.6” FDE atlas R-One rail 
13.7 ballistic advantage modern series barrel with mid length gas tube 
.750 
1/2x28 threads
No bcg, charging handle or muzzle device included! 
We can attach any muzzle device we carry for no extra fee, just add it in your cart and leave us a note to attach it