SIG Sauer P365X ROMEOZero 9mm, X-Series Micro-Compact, 3.7 in True Precision Threaded Barrel, 12+1
This factory optics-equipped P365X stands out with a True Precision threaded 3.7 in XL-length barrel, an installed SIG Sauer ROMEOZero micro red dot, and a TruGlo TG-H3 tritium front sight. It retains the X-Series grip module and optics-cut slide with front and rear serrations, and comes with a SIG compact rail-mounted weapon light. Assembled in Newington, New Hampshire, this micro-compact 9mm ships with two 12-round magazines and the original SIG case labeled 07-JUN-2021 (SKU/MPN 365X-9-BXR3-RXZ).
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: Minor, superficial scratches and blemishes are present on exterior surfaces. Overall presentation is clean.
What's Included
- SIG Sauer factory hard case with model/serial label (365X-9-BXR3-RXZ)
- SIG Sauer ROMEOZero micro red dot (installed)
- TruGlo TG-H3 tritium front sight (installed)
- SIG Sauer compact rail-mounted weapon light (installed)
- True Precision threaded barrel with thread protector (installed)
- 2x 12-round steel factory magazines (flush-fit length for the X-Series grip)
The P365X ROMEOZero is a factory X-Series micro-compact configured for fast sight acquisition and a high-capacity footprint. It pairs the X-Series grip module with an optics-cut slide finished in black and machined with front and rear serrations for confident manipulation.
This example features a True Precision threaded barrel that brings the barrel length to 3.7 inches, matching the XL-length format while retaining the X-Series grip. A thread protector is installed. The configuration emphasizes practical carry size with extended sight radius and barrel length.
Targeting equipment includes the installed SIG Sauer ROMEOZero micro red dot and a TruGlo TG-H3 tritium front sight. A SIG compact rail-mounted weapon light is fitted to the accessory rail, rounding out a ready-to-use setup.
Key identifiers include SKU/MPN 365X-9-BXR3-RXZ and a factory case label dated 07-JUN-2021. The pistol is assembled in Newington, NH, USA, and uses a locked-breech, tilting-barrel operating system. Capacity is 12+1 with the included steel magazines.