SIG Sauer P365 Nitron Micro 9mm, 3.1 in Barrel, XRAY3 Night Sights, Stainless FCU, 4 Magazines, Case
This SIG Sauer P365 Nitron Micro stands out with its XRAY3 day/night tritium sights, 3.1 in carbon steel barrel, and Nitron black slide. It features SIG's modular stainless-steel serialized FCU inside a textured polymer grip module, plus a proprietary short accessory rail. This example ships with four factory steel magazines and the original SIG case and manual.
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 Details: This firearm presents in great shape with a few small, superficial handling marks.
What's Included
- SIG Sauer factory gray plastic hard case with foam and factory label (SKU 365-9-BXR3)
- SIG Sauer P365 owner's manual
- 2x 15-round factory SIG Sauer P365 steel magazines (Made in USA; mix of compact and extended base pads)
- 2x 10-round factory SIG Sauer P365 steel magazines (Made in USA; mix of compact and extended base pads)
- SIG Sauer polymer magazine loader
- Extended-magazine grip sleeve/collar
The P365 Nitron configuration delivers a micro 9mm with a 3.1 in carbon steel barrel and a Nitron black slide featuring front and rear serrations. It is equipped with SIG XRAY3 day/night tritium 3-dot sights for clear sighting in varying light. The slide has no optic cut.
At the core is SIG's modular, serialized stainless-steel fire control unit housed in a polymer grip module with molded texturing for secure handling. A SIG proprietary short accessory rail provides compatibility with compact lights or accessories designed for this interface.
The pistol uses a striker-fired, short-recoil, locked-breech action with a curved trigger. Capacity is listed at 15+1, and this example includes both 15-round and 10-round factory steel magazines to suit different carry or range needs.
Markings include NEWINGTON, NH, USA and a barrel stamped 9mm x19. The factory case label is dated 27-MAY-2019 with SKU 365-9-BXR3, aligning with the included manufacturer part number.




