AERO M4E1-T PRO UPPER RECEIVER GROUP 16 Black

Aero Precision M4E1 Pro 5.56x45mm 16", Black

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M9

Aero Precision AR-15 M4E1-T Barreled Upper Receiver 5.56x45mm NATO 16" Barrel Mid Length OD Green Anodized

Aero Precision AR-15 M4E1-T Barreled Upper Receiver 5.56x45mm NATO 16" Barrel Mid Length Flat Dark Earth

Aero Precision M4E1-T Barreled Upper Receiver 5.56x45mm NATO 16" Government Contour Barrel 15" Mod4 Handguard Olive Drab Green

Aero Precision M4E1-T Barreled Upper Receiver 5.56x45mm NATO 16" Government Contour Barrel 15" Mod4 Handguard Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 16" HBAR Barrel 15" EM Gen2 Enhanced Handguard Black