Ar-15 Combat Fsb 5.56x45 Nato Rifle Barrel - Combat Fsb 5.56x45 Nato 20'''' Government Profile 1-7 Twist

SOLGW Combat FSB barrels use a traditional Government profile, are 1:7 twist, 5.56mm NATO chambered, 4150 CMV 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. Mfg: Sons Of Liberty Gun Works