Sig Sauer P365X 9mm XSeries Micro, 3.1 in Barrel, 12+1, ROMEOZero Red-Dot Installed
This Sig Sauer P365X is a micro-size 9mm from the XSeries line, pairing a 3.1 in barrel with a grip that accepts flush 12-round magazines. It is a 2021 U.S.-made example in excellent condition with an optics-cut slide and a flat-faced trigger. RomeoZero Red Dot Optic Installed.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor, superficial finish marks are visible under angled light from prior handling. No notable dings observed. The bore presents a bright, reflective interior.
What’s Included
- SIG Sauer factory hard case
- SIG Sauer owner's manual
- SIG Sauer ROMEOZero micro red-dot (installed)
- CR1632 battery (for ROMEOZero)
- Two 12-round steel magazines (one marked 'MADE IN ITALY' and one 'MADE IN USA')
The P365X configuration delivers the XSeries grip size that accepts flush 12-round magazines while maintaining a micro footprint. Chambered in 9mm Luger, this example is striker-fired and built on a polymer frame with an accessory rail.
The slide is optics-cut and features front and rear serrations for positive manipulation. A SIG Sauer ROMEOZero micro red-dot is installed and provides a red reticle plus an integral rear notch; the factory rear sight has been removed. A green-dot front blade remains in place for a clear front reference.
Controls include a reversible magazine release and a flat-faced trigger. This model is configured without an external manual thumb safety.
Made in the USA, the frame is marked NEWINGTON, NH, USA. It comes with two 12-round steel magazines, one marked "MADE IN ITALY" and the other "MADE IN USA."




