SIG Sauer P365 XL 9mm Luger, Optics-Ready, Threaded Barrel with Micro Compensator, X-RAY3 Tritium Sights, 17+1 Capacity
This SIG Sauer P365 XL stands out with a factory optics-ready slide, X-RAY3 tritium day/night sights, and a customized, threaded steel barrel fitted with a screw-on micro compensator. It pairs a Nitron-finished stainless-steel slide with a serialized stainless-steel modular FCU and a textured polymer XL grip module featuring an extended beavertail. It comes with two 17-round magazines and one 12-round magazine, offering flexible carry and range configurations.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are light signs of wear and handling, with some surface scratches visible.
What’s Included
- SIG Sauer factory polymer hard case (gray) with model label 365XL-9-BXR3P
- SIG Sauer safety/operations manual
- Thread-on micro compensator (installed)
- 2x 17-round magazines
- 1x 12-round magazine
- Steel P365-series magazines; mix of compact-length and extended types, with one extended magazine fitted with a grip sleeve
The optics-ready slide features an RMSc/ROMEO-X Compact footprint and includes a cover plate when irons are preferred. SIG X-RAY3 tritium day/night sights provide a bright green front ring with a tritium rear, giving a clear sight picture in variable light.
A threaded steel barrel is installed and paired with a screw-on micro compensator. The setup adds versatility at the muzzle while maintaining the slim P365 XL profile.
Construction highlights include a stainless-steel slide with a Nitron finish and a serialized stainless-steel modular FCU housed in a polymer frame. The slide has front and rear serrations, and the frame integrates a single-slot accessory rail.
The flat-faced trigger and XL grip module with an extended beavertail deliver a consistent striker-fired feel and a secure hold. The pistol ships with two 17-round magazines and one 12-round magazine, giving both extended and compact magazine options. This configuration has no manual safety.
Made in the USA, this variant is identified by SIG’s part number 365XL-9-BXR3P and reflects the XL-size profile within the P365 series.