Radical Firearms 5.56 AR-15 Barrel Assembly Mid-Length - Zero Impulse Brake - 16"

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

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

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

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

Timber Creek Rifle-Length SOCOM Barrel 6.5 Grendel 18", Black

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

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