Sons of Liberty Gun Works Broadsword M4-89 Stripped AR-15 Upper Receiver

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK

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

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

TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit - 10"

TacFire AR-15 9mm Unassembled Upper Receiver Kit - 7"

Sons of Liberty Gun Works / Forward Controls Design AR-15 Lower Receiver - Ambidextrous - Stripped Lower - BLEM

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