# Sig Sauer P320 M18 9mm 3.9in Coyote

**Brand:** SIG Sauer
**Category:** Mid-Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.9"
- **UPC:** 798681715206
- **SKU:** UCE3nP5AU

## Description

The Sig Sauer P320 M18 is a 9mm semi-automatic pistol on a carry frame with a 3.9-inch barrel and Coyote PVD finish. It has a manual safety, optics-ready cut, and Siglite night sights. Three 10-round magazines are included.

### Key Specifications
- **Brand**: Sig Sauer
- **Model**: P320 M18
- **Caliber**: 9mm
- **Action**: Semi Auto
- **Capacity**: 10+1
- **Barrel Length**: 3.9 in
- **Color/Finish**: Coyote PVD

### Detailed Features
- Carry frame with 3.9-inch barrel
- Coyote PVD finish on slide and controls
- Manual safety included
- Optics-ready cut for direct red-dot mounting
- Siglite night sights and three 10-round magazines included

## Frequently Asked Questions

**Q: What caliber is the P320 M18?**

A: The Sig Sauer P320 M18 is chambered in 9mm.

**Q: Who makes the P320 M18?**

A: The P320 M18 is made by Sig Sauer.

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

A: It is a mid-size semi-automatic pistol on a carry frame.

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

A: The P320 M18 has a 3.9-inch barrel.

**Q: How many rounds does the P320 M18 hold?**

A: It ships with three 10-round magazines and has a 10+1 capacity.

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

A: Yes. The P320 M18 has an optics-ready cut for direct red-dot mounting.

**Q: Where can I buy the P320 M18?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the P320 M18 commercial variant appreciate the carry frame size as a practical middle ground. The 3.9-inch barrel gives it a compact profile while retaining a grip length that most shooters find manageable for duty or concealed carry use. The Coyote PVD finish gets consistent praise for durability.

The manual safety on the M18 is a point of debate. Those who prefer a manual safety find it well-placed and easy to actuate, while others who come from striker-fired pistols without one note it adds an extra step in the draw. Siglite night sights are regarded as a genuine value-add at the factory level.

The optics-ready cut is a common purchase driver. Owners running red dots report a clean, low mount. The three included 10-round magazines are appreciated for the price point, though those outside restricted states see the capacity as the main limitation of this commercial configuration.

## Pricing

**14 offers available**

| Vendor | Price |
|--------|-------|
| Brownells | $699.99 |
| Guns Com | $699.99 |
| Kygunco Com | $699.99 |
| Classicfirearms Com | $699.99 |
| Buds Gun Shop | $699.99 |
| Impactguns Com | $699.99 |
| Grabagun Com | $699.99 |
| Shootingsurplus Com | $699.99 |
| Selwayarmory Com | $699.99 |
| Primaryarms Com | $699.99 |

*...and 4 more offers*

## Similar Products

- [Sig Sauer P320-M18 9mm 3.9in Coyote](https://gunsnation.com/p/sig-sauer-p320-m18-9mm-3-9in-coyote/UCE3nOzzv)
- [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)

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