RUGER Barrel Kit 300 Blackout 16.1" Nitride 30rd SR-556

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

ONE HORSE 16" Pistol Gas SOCOM Barrel 300 Blackout 1:7

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

Ballistic Advantage Premium Barrel .308 Win 18", Black - Premium Quality and Consistent Accuracy - BABL308021PQ

Primary Weapons Systems UXR Elite Conversion Kit .300 AAC Blackout Fits PWS UXR, Black

PROOF RESEARCH Sendero Bolt Action Barrel .308 Cal 16.50"

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