Franklin Armory BFSIII M4-HTF R3 XTD 556 Nato 16" Barrel 1267-BLK

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

Franklin Armory 00-30028-BLK XO-26 R4 5.56x45mm 11.5" 30+1 Black

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

Faxon Firearms Duty Carbine-Length Button Rifled Gunner Big Bore Barrel .450 Bushmaster 16", Black

FRANKLIN ARMORY CVR 5.56 NATO 16" 30rd - Black

Franklin Armory 00-30032-BLK Salus Billet XO-26-S 5.56x45mm 12.5" 30+1 Black

Franklin Armory 00-30030-BLK XO-26 R4 .300 Blackout 11.5" 30+1 Black