# SIG SAUER MPX 9mm 16in Black Folding Stock

**Brand:** SIG Sauer
**Category:** Pistol Caliber Carbines
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 16"
- **UPC:** 798681687275
- **SKU:** UCE3nOxtz

## Description

The SIG SAUER MPX is a semi-automatic 9mm pistol caliber carbine with a 16-inch barrel, a folding stock, and M-LOK handguard. It ships with a 35-round magazine. This configuration is listed as QP (qualified purchaser) only, which restricts sale to law enforcement and authorized entities. The MPX platform is a closed rotating bolt design native to 9mm.

### Key Specifications
- **Brand**: SIG SAUER
- **Model**: MPX
- **Caliber**: 9mm
- **Action**: Semi Auto
- **Capacity**: 35
- **Barrel Length**: 16 in
- **Color/Finish**: Black
- **Stock**: Folding

### Detailed Features
- 16-inch barrel keeping the configuration in standard rifle territory
- Folding stock for compact storage and transport
- M-LOK handguard for accessory attachment
- 35-round magazine included
- QP (qualified purchaser / law enforcement) restricted sale designation

## Frequently Asked Questions

**Q: What caliber is the SIG SAUER MPX?**

A: The SIG SAUER MPX is chambered in 9mm.

**Q: Who makes the MPX?**

A: The MPX is made by SIG SAUER.

**Q: What type of firearm is the SIG SAUER MPX?**

A: It is a semi-automatic pistol caliber carbine.

**Q: What is the barrel length of the SIG SAUER MPX?**

A: This MPX has a 16-inch barrel.

**Q: How many rounds does the SIG SAUER MPX hold?**

A: It ships with a 35-round magazine.

**Q: Does the SIG SAUER MPX have a folding stock?**

A: Yes. This MPX comes with a folding stock for compact storage and transport.

**Q: Where can I buy the SIG SAUER MPX?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Law enforcement and agency purchasers who run the MPX 16 carbine cite the native 9mm design as a key advantage over blowback-operated alternatives. The closed rotating bolt provides a smoother recoil impulse and is generally considered more tolerant of a wide range of 9mm loads than simpler blowback carbines.

The folding stock configuration is appreciated for storage and vehicle transport. Some users note the folding mechanism adds a touch of play compared to a fixed stock, which is a minor complaint at carbine distances but occasionally noted by those using it as a precision drills platform.

The QP-only sale designation limits the civilian secondary market for this specific configuration, which is a practical note for those considering resale or parts sourcing down the line. Among qualified purchasers, the MPX is generally regarded as a well-built PCC with a track record for reliable feeding and extraction across a range of 9mm ammunition types.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $1838.99 |
| Buds Gun Shop | $2029.49 |

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