SIG Sauer P365X 9mm Luger, XMACRO Grip Module, Radian RAMJET + AFTERBURNER, Optics-Ready, 17+1 Capacity
This SIG Sauer P365X is a customized XSeries micro 9mm configured with the SIG P365 XMACRO grip module and the Radian RAMJET barrel with AFTERBURNER micro-compensator. It is optics-ready with an RMSc/RomeoZero footprint, includes SIG XRAY3 Day/Night sights, and ships with two 17-round magazines, the factory case, and manual. The bore is bright and clean, and the pistol is in good overall condition.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are markings from previous handling and other signs of prior use. Refer to the photos for details.
What’s Included
- SIG SAUER factory hard case labeled 365X-9-BXR3
- Owner's manual
- Interchangeable backstrap inserts for SIG XMACRO grip module (spares shown)
- Radian RAMJET barrel with AFTERBURNER micro-compensator (installed)
- 2x 17-round steel double-stack magazines with orange followers
The pistol is set up with the Radian RAMJET barrel and AFTERBURNER micro-compensator, a matched, non-threaded system that is installed and ready to run. This upgrade is integrated cleanly and preserves the compact format of the P365X.
The XMACRO grip module allows use of 17-round magazines while keeping a micro-sized slide and 3.1-inch barrel. It includes interchangeable backstraps for fit, a reversible magazine release, and a flat-face trigger.
The slide features front and rear serrations, an optic cut with the RMSc/RomeoZero footprint, and SIG XRAY3 Day/Night iron sights (XRAY3 front dot and tritium rear). An accessory rail is integrated into the frame.
Identification details include the factory part number 365X-9-BXR3, a frame marked NEWINGTON, NH USA, and a case label dated 25-AUG-2021. Finish and frame color are black, matching the P365 XSeries aesthetic.
Capacity is 17+1 with the included magazines. The bore condition is excellent with crisp rifling, aligning with the overall presentation of a well-kept, customized P365X package.




