SIG Sauer P365 XL 9mm XSeries, 3.7 in Barrel, Nitron Slide, Wilson Combat WCP365 Grip, 12+1, 2019
This SIG Sauer P365 XL XSeries stands out with a factory optic-cut Nitron slide, a flat-faced X-Series trigger, and an upgraded Wilson Combat WCP365 grip module. Chambered in 9mm Luger with a 3.7 in carbon steel barrel, it ships with two 12-round steel magazines. The case label indicates a 2019 production date, and this example is configured without a manual safety.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The pistol is in solid shape with some scratches and blemishes. The rear sight has been removed. The rear of the slide has been milled for optics-only mounting, and the optic cover plate is not included.
What’s Included
- 2x 12-round steel magazines with "MADE IN USA" marking and witness holes
- Wilson Combat WCP365 polymer grip module (installed)
- SIG Sauer OEM polymer grip module (spare)
- SIG Sauer factory hard case with model label
The P365 XL XSeries pairs a compact footprint with XL-length features, including a 3.7 in barrel and extended slide. It uses SIG's modular fire control unit design, allowing easy grip module changes. This example carries the flat-faced X-Series trigger and a Nitron-finished slide with front and rear serrations.
A Wilson Combat WCP365 grip module with Starburst texture is installed, providing a high-traction, purpose-built frame. The original SIG Sauer OEM polymer grip module is included in the case.
The slide is factory optic-cut for the Shield RMSc footprint. The rear of the slide has been milled for optics-only mounting, the rear sight is not installed, and the optic cover plate is not included. A green-dot front blade is in place, with an approximate 5.6 in sight radius.
Built on a polymer frame with a single-slot SIG-style accessory rail, this 9mm is striker-fired and locked-breech. The carbon steel barrel measures 3.7 in. This pistol is marked with mfg. part number 365XL-9-BXR3 and has no manual safety. The case label indicates a production date of 29-JUN-2019 (MFG.
2019).




