SIG Sauer P365 9mm Micro-Compact, 3.1 in Barrel, XRAY3 Sights, Nitron Slide, 12+1, 1x 12rd & 2x 10rd Mags
This SIG Sauer P365 (part number 365-9-BXR3) is a micro-compact 9mm built in the United States with a 3.1 in barrel and factory SIG XRAY3 day/night sights. It features a matte black Nitron slide with front and rear serrations and a beveled muzzle, a modular fire control unit, and a polymer grip module marked NEWINGTON, NH USA. Rated for +P 9mm ammunition and equipped with a proprietary single-slot accessory rail, it brings proven carry features in a small footprint. It includes one 12-round and two 10-round USA-made steel magazines.
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: The pistol is in great shape, with minor scratches and blemishes visible under close inspection.
What’s Included
- SIG Sauer factory hard case
- 1x 12-round magazine
- 2x 10-round magazines
- Pearce Grip SIG P365 grip extensions (uninstalled)
- SIG Sauer P365 manual and paperwork
- Howard Leight Impact Sport electronic earmuffs
- Handgun safe
The P365 configuration here is the 3.1 in micro-compact setup confirmed by the factory label. The slide wears SIG’s matte black Nitron finish and adds practical front and rear cocking serrations along with a beveled muzzle for easier reholstering.
Sight picture is handled by SIG XRAY3 day/night iron sights with a green ringed front dot and tritium rear, paired to a 4.9 in sight radius for a clear, fast reference in varied lighting.
The chassis uses SIG’s modular FCU architecture for grip module interchangeability. The polymer grip module is marked NEWINGTON, NH USA and features molded stippling. Controls include a reversible magazine release. The action is striker-fired with a short-recoil, locked-breech design and is rated by SIG for 9mm +P ammunition.
The proprietary single-slot accessory rail on the frame supports compatible compact lights or accessories. This pistol comes with one 12-round and two 10-round USA-made steel magazines, offering a 12+1 capacity option. The factory case label lists part number 365-9-BXR3 and a date of 29-JUL-2020 with a matching serial.




