Rosco Manufacturing K9 5.56 NATO Sage Dynamics Patrol Length AR-15 Barrel - 12.5"

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

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

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

LBE UNLIMITED Cold Hammer Forged Barrel 5.56 12.5" Mid AR-15 Blk

ONE HORSE 16" Mid-Length SOCOM Barrel 5.56 NATO 1:8 Twist