Sons of Liberty Gun Works AR-15 Barrel 5.56x45mm NATO 13.9" Government Contour 1:7" Twist QPQ

The Sons of Liberty Gun Works Combat FSB barrels use a traditional Government taper, are 1:7 twist, 5.56mm NATO chambered, 4150CMV steel, and QPQ treated inside and out. They have F-Marked FSB towers (taper pinned), and include USGI barrel nuts, Delta Ring assemblies, and handguard caps.