SIG Sauer P320 X-TEN 10mm Full-Size, 5 in Barrel, Black Nitron, Optics-Ready, 15+1, 2022, 2 Mags, Case
This SIG Sauer P320 X-TEN is a full-size, striker-fired 10mm built around the X-Series system with a 5 in non-threaded barrel and a flat-face trigger. It features an optics-ready Nitron-finished slide with a cover plate installed, steel sights with a high-visibility green-dot front, and an integral multi-slot accessory rail. Manufactured in 2022 in the United States, it comes with two 15-round factory steel magazines and the original SIG Sauer hard case.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape. Minor, superficial scratches and blemishes are present. The bore appears clean and shiny.
What's Included
- SIG Sauer factory hard case with label
- Manual
- Two 15-round SIG Sauer factory steel magazines
The X-TEN configuration delivers a full-size 10mm platform with a 5 in non-threaded barrel, a flat-face trigger, and the X-Series polymer grip module. Capacity is 15+1 using the included factory steel magazines.
The black Nitron slide is marked XTEN and P320 and sports front and rear serrations, an external extractor, and an optic cut with the cover plate installed. Sighting equipment consists of steel sights with a high-visibility green-dot front and a square-notch rear.
Markings are consistent throughout: the barrel hood is stamped "10mm AUTO / SIG SAUER," and the frame is marked "NEWINGTON, NH, USA." The factory case label shows model code 320X5-10-BXR3-R2 with a printed date of 17-AUG-2022.
An integral multi-slot accessory rail on the dust cover supports common weapon-mounted lights. This example retains its original configuration and includes the SIG Sauer case and documentation.




