SIG Sauer P365X MS 9mm Micro, 3.1 in Barrel, Optic-Ready X‑Series Slide, Ambidextrous Manual Safety, 1x15/2x12/1x10 Mags
This SIG Sauer P365X MS is a micro 9mm with the ambidextrous manual safety and a 3.1 in barrel. It features the X‑Series slide with front and rear serrations and an optic cut, plus the P365 modular FCU architecture. Notable extras include a P365 spare slide with a TG-H3 tritium front sight and a wide magazine set (15-, 12-, and 10-round). Markings include NEWINGTON, NH USA on the frame and 9mm x 19 on the barrel.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are visible handling and use marks. The optic cut cover plate is not present. The bore is bright and clean. Refer to pictures.
What’s Included
- 1x 15-round P365-series steel magazine with polymer baseplate
- 2x 12-round P365-series steel magazines: one with polymer baseplate; one missing the polymer baseplate (exposed locking plate)
- 1x 10-round P365-series steel magazine with polymer baseplate
- SIG Sauer P365-standard polymer grip module (black), not installed
- P365 spare slide with TG-H3 tritium front sight installed; not installed
- SIG Sauer P365/P365 X‑Series operator's manual
The P365X MS configuration pairs the micro-size frame with a 3.1 in barrel and the X‑Series slide that carries the stylized X marking. The slide has front and rear cocking serrations and an optic-ready cut. See the Condition section regarding the missing cover plate.
This example is set up with a textured black polymer grip module and the P365 modular, removable fire control unit, making grip module changes straightforward. A spare standard P365 grip module is included to support configuration changes.
Controls include an ambidextrous manual safety with internal safeties and a curved trigger. The frame provides an accessory rail with a single slot for compatible compact lights or accessories.
A P365 spare slide with a TG-H3 tritium front sight is included, expanding setup options. The magazine set covers 10-, 12-, and 15-round capacities, offering flexibility for carry or range use. Magazines are the P365-series steel pattern; note one 12-round magazine is missing its polymer baseplate.
Made in the USA, this pistol shows factory markings including NEWINGTON, NH USA on the frame and 9mm x 19 on the barrel. The overall finish is black on both slide and frame.