Faxon Firearms Duty Barrel for AR9 Pistol 9mm 8.5 1-10 Twist

Faxon Duty Barrel AR9 8.5 Features This barrel utilizes a button rifled design for reliable accuracy and a consistent bore finish. The Pistol Caliber Taper profile helps reduce weight without sacrificing structural integrity making it ideal for compact AR9 pistol builds. It does not require a gas system as it operates on a straight blowback action which simplifies the upper assembly and increases reliability. Both the internal and external surfaces of the barrel are QPQ nitride treated for