# Sig Sauer P320-M18 9mm 3.9in Coyote

**Brand:** SIG Sauer
**Category:** Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.9"
- **UPC:** 798681695331
- **SKU:** UCE3nOzzv

## Description

The SIG Sauer Off-Duty P320-M18 is a striker-fired 9mm pistol built on the P320 platform with a 3.9-inch barrel. This Coyote-finished configuration ships with a Romeo M17 red dot optic already mounted and includes fixed SIGLITE night sights as a backup sighting system. The slide is optics-ready and the grip module is Coyote Polymer X.

### Key Specifications
- **Brand:** Sig Sauer
- **Model:** P320-M18
- **Caliber:** 9mm
- **Action:** Semi Auto
- **Barrel Length:** 3.9"
- **Finish:** Coyote
- **Sights:** Fixed SIGLITE night sights

### Detailed Features
- Includes a Romeo M17 red dot optic mounted from the factory for immediate use.
- Optics-ready slide cut supports the included red dot and other compatible footprints.
- Fixed SIGLITE front and rear night sights stay usable for low-light aiming even with the optic mounted.
- Coyote Polymer X grip module gives a tan finish that matches the slide.
- Striker-fired trigger system keeps the manual of arms consistent with other P320 variants.

## Frequently Asked Questions

**Q: What caliber is the Sig Sauer P320-M18?**

A: It is chambered in 9mm.

**Q: Who makes the Sig Sauer P320-M18?**

A: Sig Sauer makes it, built on the P320 platform.

**Q: What is the barrel length of the Sig Sauer P320-M18?**

A: It has a 3.9 inch barrel, finished in Coyote.

**Q: Is the Sig Sauer P320-M18 optic-ready?**

A: Yes, the slide is optics-ready and this configuration ships with a Romeo M17 red dot already mounted, plus fixed SIGLITE night sights as backup.

**Q: What type of firearm is the Sig Sauer P320-M18?**

A: It is a striker-fired pistol with a Coyote Polymer X grip module.

**Q: Where can I buy the Sig Sauer P320-M18?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the P320-M18 generally like that it comes ready to run with an optic already zeroed rather than having to buy and mill a slide separately, and most describe the factory Romeo M17 pairing as a convenient way to get into red dot carry. Reliability comments on the P320 platform in general are positive, with owners citing consistent cycling across a range of 9mm ammunition once the gun is broken in.

On the ergonomics side, the Coyote Polymer X grip module draws mixed reactions: some shooters like the texture and the tan color for a duty or range gun, while others say the grip circumference runs a little large for smaller hands and add aftermarket grip modules to compensate. The fixed night sights co-witnessing with the mounted optic is a detail that experienced shooters appreciate, since it keeps a backup sighting option if the dot fails.

Value opinions tend to focus on the bundle rather than the pistol alone. Buyers who wanted an optic anyway see the M18 Off-Duty package as a reasonable way to skip a separate optic purchase, while those who already own a red dot sometimes wish SIG offered the same gun without the included Romeo M17 at a lower price.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $1178.49 |
| Shootingsurplus Com | $1203.46 |

## Similar Products

- [Sig Sauer P320 M18 9mm 3.9in Coyote](https://gunsnation.com/p/sig-sauer-p320-m18-9mm-3-9in-coyote/UCE3nP5AU)
- [Sig Sauer P320 M18 9mm 3.9in Black](https://gunsnation.com/p/sig-sauer-p320-m18-9mm-3-9in-black/UCE3nOgU3)
- [Sig Sauer M18 9mm 3.9in Coyote Tan](https://gunsnation.com/p/sig-sauer-m18-9mm-3-9in-coyote-tan/UCE3nP5AE)
- [SIG Sauer M18 9mm 3.9in Black](https://gunsnation.com/p/sig-sauer-m18-9mm-3-9in-black/UCE3nP10h)
- [Sig Sauer M18 9mm 3.9in Black](https://gunsnation.com/p/sig-sauer-m18-9mm-3-9in-black/UCE3nOzzo)
- [Sig Sauer P320 M18 - Coyote Brown 9mm Compact Handgun](https://gunsnation.com/p/sig-sauer-p320-m18-coyote-brown-9mm-compact-handgun/UCE3nOdAC)

---
*Data from [GunsNation](https://gunsnation.com)*