Faxon Duty Series Barrel for Glock 19 — 9mm 4.02 in Nitride

The Faxon Duty Series pistol barrel for the Glock 19 is a drop-in replacement engineered for consistent, better-than-factory lockup. It is machined in-house from stress-relieved 4150 CMV steel and finished with black Nitride for increased lubricity and surface wear resistance. The barrel uses conventional rifling and a 1:10 rate of twist to support a wide range of ammunition.

Key Specifications

• The barrel type is Drop In for direct fit with factory-spec slides.
• The model is the Duty Series designed for service-oriented use.
• The chambering is 9mm Luger.
• The barrel length measures 4.02 inches for compact handling.
• The rate of twist is 1:10 for stabilized bullet performance.
• The barrel is machined from 4150 CMV steel using in-house processes.
• The finish is a black Nitride treatment for enhanced wear resistance and lubricity.
• This product fits Glock 19 slides as a drop-in replacement.
• The barrel features conventional rifling to accommodate a broader range of ammunition types.

With precision machining and a durable Nitride finish, this Duty Series barrel is a practical upgrade for a Glock 19 build or maintenance project. Its combination of material selection, conventional rifling, and tight tolerances delivers reliable, consistent lockup and long service life without requiring gunsmithing.