AERO M4E1-T PRO UPPER RECEIVER GROUP 14.5 KB

Aero Precision Threaded Upper Receiver M4E1 5.56 11.5 inch Barrel 9 inch M-LOK ATLAS R-ONE Handguard A2 Flash Hider Anodized Black

Aero Precision M4E1-T Upper 5.56 14.5 Barrel No BCG/CH

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Aero Precision AR-15 M4E1-E Upper Assembly 5.56x45mm NATO 13.9" Barrel 12.7" ATLAS R-ONE Handguard Black

Aero Precision Complete Upper Receiver M4E1-T RM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Cerakote FDE

AERO PRECISION M4E1 PRO Complete Upper 5.56 NATO 16.3" / 15" ATLAS R-ONE Handguard - Black