Ballistic Advantage Hanson Carbine, 1:7 Twist Barrel, 556NATO, 11.5 in, Carbing Length Gas System, Phosphate Finish, Black BABL556H49F

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

Brigade Manufacturing 5.56 Forged 7.5" 30+1 Armor Black

Brigade Manufacturing 5.56 Forged 10.5" 30+1 Armor Black

SHADOW SYSTEMS E526 5.56MM BK/BZ 11.5" SBR

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

BALLISTIC ADVANTAGE Lo Pro, Performance Series Hanson 5.56mm 17.7in Barrel (BABL556018F)

Ballistic Advantage Premium Black Series, Barrel, 22 ARC, 16 in, 1:7 Twist, Mid Length Gas System, QPQ Corrosion Resistant Finish, Black BABL22ARC01PQ