Sons of Liberty Gun Works M4 L89 CHF 5.56 NATO Barreled Upper Receiver - 13.9" - No Muzzle Device

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 M4-L89 5.56x45mm 13.70"

sons of liberty gun works SOLGW M4-L89 Broadsword 5.56mm 11.5" No BCG/CH Upper Receiver M4L89BSUPPER-11.5-556

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