NOVESKE Barrel 5.56 10.5" Lightweight Shorty SS Carbine

Ballistic Advantage Performance Barrel 5.56x45mm 13.70", Black - Compact and Efficient Barrel - BABL556036F

Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

ONE HORSE 10.5" Carbine Gas 5.56 NATO Barrel 1:7

Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black

Faxon Firearms Carbine-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black