The Faxon Firearms Duty Series 9mm Barrel for Glock 19 Gen 1-4 stands out with its precision engineering and durability. Crafted from stress-relieved 4150 CMV steel it features a sleek black Nitride coating that enhances barrel life and provides superior resistance to wear. Its conventional rifling accommodates a wide range of ammunition including cast lead making it versatile for various shooting needs. Designed for a drop-in fit with factory-spec slides it requires no gunsmithing ensuring ease of installation. Experience improved performance with better-than-factory tolerances for a tighter lockup. This barrel boasts button rifling a 1:10" twist and a Salt Bath Nitride finish both inside and out complete with a 1/2x28 thread and an 11-degree target crown for enhanced accuracy.