# SIG SAUER P320 M18 - Optic Ready 9MM FDE Carry Pistol

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.9"
- **Capacity:** 17 rounds
- **Weight:** 28.8 oz
- **UPC:** 0798681607556
- **SKU:** UDE3nOdAC

## Description

The SIG SAUER P320 M18 is the commercial version of the US Military's M18 sidearm. It's a striker-fired 9mm with an optic-ready slide and comes with one 17-round magazine plus two 21-round magazines.

### Key Specifications
- **UPC:** 0798681607556
- **Caliber:** 9MM LUGER (9X19 PARA)
- **Action:** STRIKER
- **Capacity:** 17 ROUNDS (Includes two additional 21-round magazines)
- **Barrel Length:** 3.9 INCHES
- **Weight:** 1.8 LBS.
- **Finish:** FLAT DARK EARTH

### Features
The coyote PVD slide is cut for Romeo1PRO and Delta Point PRO optics. A removable night sight plate sits in place of the optic when you're running irons, and swapping it out to mount a red dot doesn't require gunsmithing. The striker fire action has a short, tactile reset that keeps split times down. An ambidextrous manual safety makes it functional for both right- and left-handed shooters.

The P320 platform is modular, the serialized chassis can move between different grip modules and slide lengths, which gives owners some flexibility down the road.

## What Customers Say

*AI-generated insights from customer reviews*

The SIG SAUER P320 M18 generates consistently positive feedback from shooters who want a proven military-spec handgun with optics capability.

The modular design is one of the most frequently cited advantages. Users appreciate that different grip modules, slide lengths, and calibers can swap onto the same serialized fire control unit. The optic-ready slide draws strong interest from shooters who run red dots, and the included 21-round magazines are seen as a value-add. Ergonomics come up often in a positive context, most find the grip comfortable for extended use. At the range, the M18 is generally reported as accurate and reliable, with manageable recoil.

Price is the common complaint. Some find it high relative to competitors like Glock or Smith & Wesson M&P series, and comparisons on trigger feel and size come up in most discussions. A small number of users report variability in their individual units, though most describe their experience as problem-free. For everyday carry and competitive shooting, sentiment skews solidly positive.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $657.99 |

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