# Sig Sauer P320 X-Series 9mm 3.9in Stainless Steel

**Brand:** SIG Sauer
**Category:** Semi-Automatic Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.9"
- **Finish:** Stainless Steel
- **UPC:** 798681680993
- **SKU:** UCE3nOwGf

## Description

The Sig Sauer P320 X-Series is a striker-fired 9mm semi-automatic pistol with a 3.9-inch barrel and 17+1 capacity. It has an optics-ready slide, a stainless steel construction, and XRAY3 Day/Night adjustable sights, built on a polymer X-grip module for a carry-friendly overall length. The pistol carries the OR (optics ready) designation, meaning the slide is cut to accept a red dot sight without further gunsmithing, and the internal safety system is built into the fire-control unit rather than relying on an external lever.

### Key Specifications
- **Brand:** Sig Sauer
- **Model:** P320 X-Series
- **Caliber:** 9mm
- **Capacity:** 17+1
- **Barrel Length:** 3.9 in
- **Material:** Stainless Steel (slide)

### Detailed Features
- Optics-ready slide accepts a red dot sight
- XRAY3 Day/Night adjustable sights aid target acquisition in low light
- Polymer X-grip module gives a secure, comfortable hold
- Internal safety system built into the fire-control design
- Striker-fired trigger for a consistent pull from shot to shot
- 17+1 capacity magazine gives a high round count for a compact-length pistol

## Frequently Asked Questions

**Q: What caliber is the P320 X-Series?**

A: The Sig Sauer P320 X-Series is chambered in 9mm.

**Q: What is the barrel length of the P320 X-Series?**

A: It has a 3.9-inch barrel.

**Q: How many rounds does the P320 X-Series hold?**

A: It has a 17+1 capacity.

**Q: Who makes the P320 X-Series?**

A: It is made by Sig Sauer.

**Q: What type of firearm is the P320 X-Series?**

A: It is a striker-fired semi-automatic pistol with an optics-ready, stainless steel slide, XRAY3 Day/Night adjustable sights, and a polymer X-grip module.

**Q: Where can I buy the P320 X-Series?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the P320 X-Series generally describe the pistol as reliable straight out of the box, with a trigger that feels better than most factory striker-fired pistols. The optics-ready slide is a common draw, since it lets shooters add a red dot without sending the gun out for milling.

For carry and range use, the grip module gets consistent praise for pointing naturally and fitting a wide range of hand sizes. Some owners note the stainless steel slide adds a bit of heft compared to the standard coated models, which a few like for recoil control and others find less ideal for all-day carry.

The P320 platform's modularity is a frequent selling point: grip modules, calibers, and slides can be swapped on the same fire-control unit. Aftermarket holster and sight support is broad, though a handful of owners mention the factory sights are serviceable rather than exceptional and get upgraded early.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $544.99 |
| Buds Gun Shop | $699.99 |

## Similar Products

- [SIG Sauer P320 Pro Carry 9mm 3.9in Stainless](https://gunsnation.com/p/sig-sauer-p320-pro-carry-9mm-3-9in-stainless/UCE3nOeqC)
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*Data from [GunsNation](https://gunsnation.com)*