True Precision Sig Sauer P365XL Non-Threaded Barrel 9mm

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Take your P365XL’s Performance to the Next Level with a True Precision Barrel

Engineered as an upgrade over the SIG factory barrel, True Precision’s non-threaded P365XL barrel delivers unmatched accuracy and reliability to enhance your EDC.

CNC machined in the USA from premium stainless steel, each 9mm barrel features a redesigned feed ramp and custom broach rifling to ensure compatibility across all ammunition types.

Multiple sharp-looking finish options are available like black, eye-catching chameleon Rainbow PVD, and glitzy Gold. All are supported by TRUE Precision’s lifetime warranty.

Why settle for factory quality when your Sig can benefit from TRUE Precision’s enhancements tailored specifically for the P365XL platform? Equip your pistol with smooth American-crafted perfection.



  • Brand: True Precision
  • Model: P365XL Non-Threaded Barrel
  • Thread Pitch: 1/2×28
  • Caliber: 9mm
  • Overall Length: 3.7″
  • Material: 416R stainless steel
  • Finish: Rainbow PVD, Copper, Gold, Black, Stainless

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

True Precision offers a limited lifetime warranty on all parts. The warranty covers the operation and function of the part itself and protects it from any operational defects or failure of operation. Altering or modifying a True Precision part will void the warranty. True Precision parts are manufactured to perform with original “OEM” parts. Using reloaded ammunition will void the warranty. We do not warranty True Precision parts that are damaged or become inoperable due to intentional abuse or improper modification of the part. True Precision does not warranty against normal wear or accident damage. If a warranty claim is approved, a credit for the total replacement cost of the True Precision product will be issued to the customer’s user account.

Coatings – True Precision warranties against defects of the coatings/finish of the part prior to installation. Once a part is installed, we cannot/will not warranty any coating, finish, or cosmetic attribute. Please inspect and bring to our attention any cosmetic defect before installation and within 30 days of the date of delivery so that the product can be returned or replaced at no charge. We cannot guarantee any amount of wear protection as we cannot control conditions of item use. Any issue regarding finishes or coatings is reviewed on a case-by-case basis and is not covered under the warranty and returns policy after installation or use.

Installation and Break-In – True Precision parts and components should only be installed by a certified gunsmith and should only be installed into firearms that are in good working order. The misuse or improper installation of True Precision parts may result in damage to the firearm or injury. For optimal performance, a standard break-in period is suggested for all parts. We recommend a 100-round break-in period for all parts using ball ammunition. Coated barrels may require an initial light polishing of the feed ramp due to possible buildup of coating; this can be accomplished by hand polishing the ramp or a break-in period firing ball ammunition.

Initiating a Warranty Replacement- Please review the above information before initiating a warranty replacement claim. To begin the claim process, please fill out and submit a warranty claim form here.