# Sig Sauer MCX Rattler LT 5.56 NATO 9in FDE

**Brand:** SIG Sauer
**Category:** Handguns
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 9"
- **UPC:** 798681710270
- **SKU:** UCE3nP3ss

## Description

The Sig Sauer MCX Rattler LT WPMCX-556N-9B-LT-FDE is a pistol chambered in 5.56 NATO with a 9-inch barrel and a 30-round magazine, finished in flat dark earth (FDE). It belongs to Sig's modular MCX Rattler LT family, which is offered in pistol, rifle, SBR, and MGA build options under the same model designation, and this listing covers the pistol configuration with a 9-inch barrel.

### Key Specifications
- **Brand:** Sig Sauer
- **Model:** MCX Rattler LT
- **Caliber:** 5.56 NATO
- **Barrel Length:** 9in
- **Capacity:** 30 rounds
- **Color:** FDE

### Detailed Features
- Chambered for 5.56 NATO with a 9-inch barrel
- Ships with a 30-round magazine
- Finished in flat dark earth (FDE) for a low-visibility look
- Sold under the WPMCX-556N-9B-LT-FDE designation, shared across the line's pistol, rifle, SBR, and MGA configurations
- This listing is the 9-inch-barrel pistol build of the MCX Rattler LT

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the MCX Rattler LT tend to like how compact the platform feels for a 5.56 NATO pistol, and the FDE finish gets regular praise for wearing well without showing scuffs. Some note the shorter barrel changes the way the gun handles compared to a full-length rifle, and opinions differ on whether that tradeoff is worth it for their use case.

Feedback on the broader MCX Rattler LT family, which spans pistol, rifle, SBR, and MGA builds, is generally that the modularity is a strong selling point. Owners who buy into the ecosystem like being able to reconfigure the same core parts kit, though a few mention the cost of building out multiple configurations adds up.

Sentiment on reliability is mostly positive among Sig MCX owners, with the platform seen as running well once broken in. A common piece of advice in owner discussions is to budget for a proper break-in period and to pay attention to magazine compatibility when configuring the FDE Rattler LT.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $2267.00 |
| Shootingsurplus Com | $2267.00 |

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