SIG Sauer P365 MS 9mm Micro-Compact, Manual Safety, X-RAY3 Tritium Sights, 3.1 in Barrel, Nitron Slide, 10+1 — Four 10-Round Magazines
This SIG Sauer P365 MS is a micro-compact 9mm with the factory manual safety configuration and X-RAY3 day/night tritium sights. It features a Nitron-finished slide with front and rear serrations, a 3.1-inch barrel, and SIG's proprietary micro accessory rail. This example ships with four 10-round steel magazines, the factory SIG hard case, and the P365 owner's manual. Marked Newington, NH USA, it corresponds to SIG mfg part number 365-9-BXR3-MS and has a solid, non-optics-cut slide.
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: There are minimal markings from previous handling and use. See the photos for close-ups.
What’s Included
- SIG Sauer factory hard case (gray) with molded SIG logo and matching label (SKU 365-9-BXR3-MS)
- SIG Sauer P365 owner's manual
- Four 10-round steel P365 magazines (mix of flush and finger-rest baseplates; markings include 'MADE IN USA' and 'MADE IN ITALY')
The P365 MS pairs a micro footprint with a 10+1 capacity and a striker-fired action. The MS configuration adds a left-side manual thumb safety, complemented by an internal striker safety and a disconnector safety.
Sight picture is handled by SIG X-RAY3 3-dot tritium day/night sights, with a high-visibility green front dot and two tritium lamps in the rear. The sight radius is approximately 4.9 inches.
The Nitron black slide includes front and rear serrations for positive manipulation and a beveled muzzle. This slide is solid with no optics cut, consistent with mfg part number 365-9-BXR3-MS.
The textured polymer grip module provides secure purchase, and the curved trigger offers a familiar feel. A SIG proprietary micro accessory rail is integrated into the dustcover.
This firearm is marked Newington, NH USA and includes four 10-round steel magazines, offering a practical mix of flush and finger-rest baseplates. It comes complete with the SIG Sauer factory gray hard case and the P365 owner's manual.




