The Faxon Duty Series 9mm threaded barrel (brand part no. 365A910NXNOQT) is a drop-in upgrade for the SIG Sauer P365 XL. Faxon builds it from 4150 chrome-moly-vanadium steel and finishes it with a black Nitride coating that adds wear protection along with extra lubricity for smoother cycling. A 1:10-inch twist rate stabilizes standard 9mm bullet weights, and the threaded muzzle lets P365 XL owners add a compensator without any additional gunsmithing.

Key Specifications

• Chambered in 9mm Luger, sized specifically for the SIG Sauer P365 XL.
• Machined from 4150 chrome-moly-vanadium (CMV) steel for strength and durability.
• Finished with a black Nitride coating that adds wear protection and extra lubricity.
• Rifled with a 1:10-inch twist rate, matched to common 9mm bullet weights.
• Threaded muzzle allows shooters to mount a compensator directly.
• Part of Faxon’s Duty Series barrel lineup, built for daily-carry reliability.
• Drop-in fit for the SIG P365 XL, requiring no additional gunsmithing.

Frequently Asked Questions

Will this barrel fit a standard P365? No, this barrel is sized specifically for the SIG Sauer P365 XL.

Is the muzzle threaded? Yes, it ships threaded so you can add a compensator directly.

What is the barrel made from? It is machined from 4150 chrome-moly-vanadium steel with a black Nitride finish.

Buy the Faxon Duty Series 9mm Threaded Barrel for SIG P365 XL

Adding a threaded barrel is the easiest way to get your P365 XL ready for a compensator, and Faxon’s Duty Series delivers factory-fit reliability along with it. Browse more handgun barrels from Faxon Firearms and order it from our Lubbock, Texas gun shop for fast, insured shipping.