# Sig Sauer P320 M18 9mm Coyote Tactical Pistol - 21-Round Capacity

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.9"
- **Capacity:** 21 rounds
- **Finish:** Stainless Steel
- **Weight:** 52 oz
- **Overall Length:** 7.2"
- **UPC:** 798681597239
- **SKU:** UCE3nOaTn

## Description

The Sig Sauer P320 M18 Commemorative is a semi-automatic pistol in 9mm Luger, based on the same platform adopted by the U.S. military. It has a 3.9-inch barrel, 7.2-inch overall length, and runs on 21-round magazines. The frame is modular polymer in Coyote Brown over a stainless steel chassis, and the sights are SIGLITE tritium up front with removable night sight plates at the rear.

### Key Specifications
- **Manufacturer:** Sig Sauer
- **Model:** P320 M18 Commemorative
- **Caliber:** 9mm Luger
- **Barrel Length:** 3.9 inches
- **Total Length:** 7.2 inches
- **Weight:** 3.25 lbs (approx.)
- **Capacity:** 21 rounds
- **Frame Finish:** Stainless Steel
- **General Finish:** Coyote Brown
- **Stock Material:** Modular Polymer Grip
- **Sights:** SIGLITE with Removable Night Sight Plates
- **MSRP:** $1129.99

The P320's modular chassis lets you swap grip modules, change frame sizes, or run different calibers without tools. The 21-round capacity keeps reloads infrequent, and the SIGLITE sights are visible in low light without needing a separate light source. At 3.25 lbs it's on the heavier side for a carry gun, but the weight helps manage recoil in longer sessions.

## What Customers Say

*AI-generated insights from customer reviews*

The Sig Sauer P320 M18 in 9mm Coyote gets broadly positive feedback, with a few practical complaints worth noting.

The ergonomics come up most often. The grip fits a wide range of hand sizes naturally, and most users find it comfortable through long range sessions. Reliability is another consistent theme. It runs cleanly with most ammunition types, which matters for both training use and self-defense carry.

Accuracy is generally reported as good across distances, and the 21-round capacity is a real practical advantage for competition or home defense. The modular grip system draws a lot of attention; users appreciate being able to fit the gun to their hand or switch configurations without specialized tools. The Coyote Brown finish tends to get favorable comments. It stands out without being loud.

The weight and size come up as practical trade-offs. The M18 runs heavier and larger than most dedicated carry pistols, so users who want an everyday concealed carry option sometimes find it less convenient than smaller alternatives. A small number of users also note that while it handles tactically well, it isn't as compact as some would prefer for daily concealment.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $1299.99 |

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