Sons Of Liberty Gun Works L89 Upper 5.56 NATO 13.9" V2

SOLGW L89 BS V2 5.56 13.7" NOX BLK

SOLGW L89 V2 5.56 13.7" NOX BLK

AERO PRECISION M4E1-T 5.56 NATO 11.5" Complete Upper Receiver | Black

Bushmaster AR-15 Complete Upper Minimalist SD 556 Nato AR15 16" 90025

AERO PRECISION AR15 5.56 NATO / 223 Rem 20" Complete Upper Receiver w/ Carry Handle | Black

Luth-AR 11.50" Classic Upper 5.56x45mm 1:7 Carbine-Length w/BCG&CH, Black

Sons Of Liberty Gun Works M4-L89-13.7 M4-L89 5.56mm 30+1 13.70" Black QPQ Button Rifled Barrel, Black Hardcoat Anodize Receiver, Ambidextrous