# Sig Sauer MCX 7.62x39 16in Black

**Brand:** SIG Sauer
**Category:** AR Style Rifles
**Caliber:** 7.62X39

## Specifications

- **Caliber:** 7.62X39
- **Barrel Length:** 16"
- **UPC:** 798681703937
- **SKU:** UCE3nP2Ej

## Description

The Sig Sauer MCX is an AR-pattern rifle chambered in 7.62x39 with a 16-inch barrel and a black finish. It has a 28+1 capacity. The MCX platform uses a short-stroke piston operating system rather than a traditional direct impingement design.

### Key Specifications
- **Brand**: Sig Sauer
- **Model**: MCX
- **Caliber**: 7.62x39
- **Action**: Semi Auto
- **Barrel Length**: 16 in
- **Capacity**: 28+1
- **Color/Finish**: Black

### Detailed Features
- 16-inch barrel in a rifle-length configuration
- Chambered in 7.62x39
- 28+1 round capacity
- Black finish throughout
- MCX-platform AR-pattern construction

## Frequently Asked Questions

**Q: What caliber is the Sig Sauer MCX?**

A: This MCX is chambered in 7.62x39.

**Q: What is the barrel length of the Sig Sauer MCX?**

A: It has a 16-inch barrel.

**Q: How many rounds does the Sig Sauer MCX hold?**

A: The MCX in this configuration has a 28+1 round capacity.

**Q: Who makes the MCX?**

A: The MCX is made by Sig Sauer.

**Q: What type of firearm is the Sig Sauer MCX?**

A: It is an AR-pattern semi-automatic rifle.

**Q: What operating system does the Sig Sauer MCX use?**

A: The MCX uses a short-stroke piston operating system rather than a direct impingement design.

**Q: What finish does the Sig Sauer MCX have?**

A: This model has a black finish throughout.

**Q: Where can I buy the Sig Sauer MCX?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Sig Sauer MCX in 7.62x39 frequently cite the overall build quality and the feel of the platform compared to a standard AR. The 7.62x39 chambering draws buyers who want AK-caliber performance in an MCX chassis, and most report reliable feeding with quality ammunition.

Magazine compatibility comes up as a consistent topic. The MCX uses proprietary magazines rather than standard AK or STANAG patterns, which some owners consider a drawback for cost and availability. Others have no issue with it once they stock up.

Value perception on the MCX splits between those who see Sig quality as worth the premium and those who note that a standard AK or AK-pattern rifle delivers the same caliber at significantly lower cost. The 16-inch barrel configuration is generally well-received for its balance of velocity and overall length.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $2299.99 |
| Buds Gun Shop | $2599.99 |

## Similar Products

- [SIG Sauer MCX 7.62x39 16in Black](https://gunsnation.com/p/sig-sauer-mcx-7-62x39-16in-black/UCE3nOnjN)
- [Sig Sauer MCX SPEAR-LT 7.62x39 16in FDE](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-7-62x39-16in-fde/UCE3nP18x)
- [SIG Sauer MCX Off Duty 7.62x39 11.5in Black](https://gunsnation.com/p/sig-sauer-mcx-off-duty-7-62x39-11-5in-black/UCE3nOwa3)
- [Sig Sauer MCX Spear LT 7.62x39 11.5" Tactical Pistol FDE](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-7-62x39-11-5-tactical-pistol-fde/UCE3nOr21)
- [Sig Sauer MCX Spear LT 7.62x39mm 11.5in Black](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-7-62x39mm-11-5in-black/UCE3nP2ES)
- [Sig Sauer MCX 5.56 NATO 16in Black](https://gunsnation.com/p/sig-sauer-mcx-5-56-nato-16in-black/UCE3nOniN)

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