BARREL SUB ASSM 14.5 MT 4140CM SBN 5.56MM

FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

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

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

CMMG Barrel Sub Assembly for AR-15/MK4, Black - 60D100C

CMMG Multi Role Contour Barrel Sub-Assembly .300 AAC Blackout 12.50"

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