Criterion Barrels Hybrid Mid-Length AR-15 Barrel - Chrome Lined - 13.9"

FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

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

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

BALLISTIC ADVANTAGE Premium Series 6MM ARC 16", 5/8x24, 1:7 Mid Length Gas Barrel for AR10

Ballistic Advantage Premium Series, Barrel, 308 Winchester, 16 in, Hanson Profile, Mid Length Gas System, Fits AR10, QPQ Corrosion Resistant Finish, Black BABL308019P

DANIEL DEFENSE CMV CHF 5.56 NATO 10.3in Barrel Assembly (07-077-06128)