American Tactical MilSport 556 Nato 18" Barrel ATIG15MS55618ML13

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

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

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

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

Del-Ton 316H 556 Nato 16" Barrel 316 11" Samson EVO Handguard SMORH161

Great Lakes Firearms GL15223S-SND 223 Wylde 16" 30+1 Serpent Sand/Nitride Barrel