Sons of Liberty Gun Works M4-L89 5.56 NATO Barreled Upper Receiver - 14.5" - Huxwrx

Sons of Liberty Gun Works M4-L89 5.56x45mm 11.50"

Sons of Liberty Gun Works L89 V2 5.56 11.50" Upper 5.56x45mm M-LOK Rail, Black

Sons of Liberty Gun Works L89 V2 5.56 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

Sons of Liberty Gun Works M4-L89 14.50" Upper 5.56x45mm, Black

Sons of Liberty Gun Works M4-L89 14.50" Upper 5.56x45mm, Black

Sons of Liberty Gun Works Half Complete Upper Receiver M4-89 5.56mm 11.5in 10.5in Combat Barrel M89 Rail A2 Flash Hider No BCG or CH Black

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Precision Carbine - M4L89BSCHF14.5HUX