FAXON DUTY SERIES BARREL FOR P365XL 9MM

Faxon
SKU:
365A910NXNOQ-N
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UPC:
816341028487
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Faxon Duty Series Barrel for SIG® P365 XL 9mm Nitride

The Faxon Duty Series Barrel for SIG® P365 XL is designed to deliver top-of-the-line performance, accuracy, and durability. Made from high-quality 4150 CMV steel, this barrel features a black nitride finish that adds an extra layer of protection while also enhancing the barrel's lubricity.

This barrel is precision-machined in-house at Faxon's Greater Cincinnati, Ohio facility, ensuring the highest level of quality and consistency. Its 1/10 twist rate and target crown ensure that it delivers exceptional accuracy. It is backed by Faxon's Lifetime Guarantee, giving you the peace of mind that you're making a purchase that will last. Whether you're using it for competition shooting or simply want to improve the accuracy of your P365 XL, the Faxon Duty Series Barrel is an excellent choice.

Key Benefits

  • 4150 CMV Steel: Stress-relieved for maximum durability, longevity, and accuracy.
  • 9mm SAAMI Chambers: Superior accuracy with complete SAAMI compatibility & boring reliability.
  • Tighter Tolerances: Drop-in, yet better fitment and lock-up.
  • Conventional Rifling: Fully compatible with cast bullets.
  • 11 Degree Target Crown: Consistent bullet release for enhanced precision.
  • Black Nitride Finish: Exceptional lubricity, wear resistance, and corrosion protection inside and out.
  • Made in USA: Precision-machined in Faxon's Greater Cincinnati, Ohio facility with ISO:9001 and AS:9100 certifications.

Specifications

Caliber
9mm
Handgun Type
SIG® P365 XL
Length
3.69"
Profile
Duty Series, Drop-In
Material
Stress-Relieved 4150 CMV Steel
Rifling
Conventional, Button-Rifled, 1:10 Twist
Finish
Salt Bath Nitride (Inside & Out)
Muzzle Thread
N/A
Crown
11° Target Crown
Compatibility
Drop-in for factory SIG® P365 XL slides

Why Choose the Duty Series

The Duty Series is engineered for hard-use reliability with tough 4150 CMV steel and a complete salt bath nitride treatment for maximum corrosion and wear resistance. This non-threaded barrel maintains the compact profile needed for concealed carry while providing enhanced performance and longevity for everyday defensive or range applications on your P365 XL.

Installation & Compatibility

  • Drop-in fit for factory-spec SIG® P365 XL slides — no gunsmithing required.
  • Conventional rifling supports cast lead and jacketed bullets.
  • Tighter-than-OEM tolerances for improved lockup and accuracy.

Frequently Asked Questions

Is this barrel drop-in?
Yes — designed for direct replacement in factory SIG® P365 XL slides with no modifications needed.
What finish is applied?
Salt bath nitride inside and out for superior lubricity, wear resistance, and corrosion protection.
Is cast lead ammo safe?
Absolutely — conventional rifling allows safe use of cast lead bullets.

Overview: Duty Series Barrel for SIG® P365 XL

The Faxon Duty Series Barrel for SIG® P365 XL in Nitride provides rugged, duty-ready performance in a compact package. Machined from stress-relieved 4150 CMV steel with conventional 1:10 twist rifling and tighter tolerances, this barrel offers enhanced reliability and accuracy in a drop-in package.

Fully nitride-treated for superior wear and corrosion resistance, this non-threaded barrel is perfect for everyday carry, range duty, or defensive use on your P365 XL. Backed by Faxon's Lifetime Guarantee and precision-machined in Greater Cincinnati, Ohio.