Sig Sauer P365 XL X-Series 9mm Optics-Ready Striker-Fired Pistol – Nitron Black, 3.7 in Barrel
The P365 XL X-Series takes the proven P365 platform and stretches it into a higher-capacity, optics-ready carry gun with factory XRAY3 day/night sights, a flat-faced 90° break trigger, and extended grip module. Built around Sig’s modular stainless steel fire-control unit and finished with a Nitron-coated slide, this example offers a full 17+1 capacity in a slim, easily concealed package.
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: This pistol exhibits minimal handling marks, and the bore remains bright with crisp rifling.
What’s Included
- SIG Sauer gray hard case
- Pirate Tactical Kydex IWB holster
- 1× 17-round SIG factory steel magazine
- 1× 15-round SIG factory steel magazine
- 1× 12-round SIG factory steel magazine
Sig’s optics-ready slide comes cut for the Shield RMSc/ROMEOZero footprint, allowing direct mounting of many micro red-dot sights without adapter plates. Front and rear cocking serrations provide positive purchase for press-checks and manipulations, while the Nitron finish helps resist corrosion from daily carry.
The XL grip module adds an integral carry mag-well flare and extended beavertail, giving the shooter a longer sight radius of 5.6 inches and improved control without sacrificing concealability. The modular, serialized stainless steel fire-control unit allows easy swap of grip modules or trigger upgrades while keeping the serialized component intact.
A flat-faced trigger with a consistent 90-degree break enhances trigger control, and the XRAY3 tritium sights offer a bright green front dot for daylight use with tritium vials for low-light targeting. The striker-fired action combines a smooth pull with repeatable reset for rapid follow-up shots.
Factory compatibility with 12-, 15-, and 17-round magazines makes this P365 XL adaptable to multiple carry roles. The included trio of magazines covers flush, extended, and full-capacity options right out of the box.
The case label dated 28-Apr-2021 documents its factory build date, providing buyers a clear reference to production timeline.