Description
The Faxon Match Series straight fluted barrel is a purpose-built upgrade for the SIG P365 XL that balances accuracy, durability, and refined aesthetics. Machined from stress-relieved 416-R stainless steel, this barrel is precision-manufactured in-house at Faxon's facility in Greater Cincinnati, Ohio. The black nitride finish provides excellent corrosion resistance and lubricity both inside and out, while the nickel teflon coated extension maintains dry lubricity and tightens the fit between barrel and slide for improved accuracy.
Match Series Fluted Design
The straight fluted profile serves multiple purposes. It reduces weight without compromising strength, increases surface area for better heat dissipation during extended firing sessions, and creates a sleek, minimalist appearance. Combined with the 11-degree target crown and conventional 1:10 twist rifling, this barrel delivers match-grade accuracy across a wide range of factory and lead cast ammunition. The tighter manufacturing tolerances produce a more consistent lockup than factory barrels, translating directly to improved shot placement.
Threading and Flexibility
This barrel features 1/2×28 threading, making it compatible with most modern muzzle devices including suppressors, compensators, and thread protectors. You can adapt this barrel to your specific needs whether you're building a precision range gun, a suppressor host, or an everyday carry pistol with a compensator for better control.
Installation and Compatibility
The drop-in design requires no fitting or gunsmithing. It installs directly into factory P365 XL slides without modifications, though you may need to remove the O-ring on certain models due to the slim slide design. The barrel feeds all standard 9mm ammunition reliably and is fully SAAMI compatible.
Key Specifications
- Caliber: 9mm
- Barrel Length: 4.3 inches
- Barrel Material: Stress-relieved 416-R stainless steel
- Rifling Type: Conventional, 5R hybrid
- Twist Rate: 1:10
- Crown: 11-degree target crown
- Muzzle Thread: 1/2×28 TPI
- Finish: Black nitride (salt bath)
- Profile: Straight fluted, drop-in
- Extension Coating: Nickel Teflon
- Compatibility: SIG Sauer P365 XL
- Weight: 2.96 ounces
- Manufacturer Part Number: 365B910NXSOQ-T
- UPC: 816341026056
- Warranty: Faxon lifetime guarantee
What’s Included
- Faxon Match Series threaded barrel
Frequently Asked Questions
Will this Faxon Match barrel fit my P365 XL without modifications?
Yes, it's designed as a drop-in replacement. The barrel installs directly into factory P365 XL slides without gunsmithing. On some models you may need to remove the O-ring from the barrel extension due to the slim slide design, but this is a simple one-minute adjustment if needed.
What ammunition can I use in this barrel?
The conventional rifling and SAAMI chamber accommodate the full spectrum of 9mm ammunition including standard loads, plus P loads, and lead cast rounds. It's been proven reliable across various ammunition types in field use.
Is this barrel better for accuracy than the factory barrel?
Yes. The tighter manufacturing tolerances produce better lockup than OEM barrels, the 11-degree target crown ensures consistent bullet release, and the polished feed ramp promotes smooth feeding. These factors combine for noticeably tighter groups, especially at closer ranges where the P365 XL excels.
What comes with the threaded barrel?
Just the barrel itself. The threading is ready for 1/2×28 muzzle devices like suppressors or compensators, which are sold separately. A basic thread protector cap is a good addition if you plan to carry the pistol without a muzzle device attached.







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