# SIG M400 Tread Snakebite SE - 5.56 NATO, 16" FDE Rifle

**Brand:** SIG Sauer
**Category:** Semi-Automatic Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **Capacity:** 30 rounds
- **Finish:** Cerakote Elite 
- **Overall Length:** 35.5"
- **UPC:** 798681656363
- **SKU:** UCE3nOprP

## Description

The M400 Tread Snakebite SE is a semi-automatic rifle chambered in 5.56 NATO (.223 Rem). The aluminum frame and carbon steel barrel both carry a Cerakote Elite finish, which handles corrosion and wear better than standard parkerizing or bluing.

### Key Specifications
- **Model:** M400 Tread Snakebite SE
- **Caliber:** 5.56 NATO (.223 Rem)
- **Frame Material:** Aluminum
- **Frame Finish:** Cerakote Elite
- **Barrel Material:** Carbon Steel
- **Barrel Finish:** Cerakote Elite
- **Magazine Capacity:** 30 Rounds
- **Sights:** Optics Ready
- **Trigger Type:** 2-Stage Matchlite Duo
- **Overall Length:** 35.5 inches
- **Overall Height:** 7.5 inches
- **Overall Width:** 2.5 inches
- **Barrel Length:** 16 inches
- **Barrel Twist Rate:** 1:7"
- **Weight (with Magazine):** 7.0 pounds

### Detailed Features

The hybrid compensator/flash hider reduces muzzle rise and flash signature at the same time. The free-floating handguard keeps the barrel clear of contact, which helps consistency across a string of fire. The 2-stage Matchlite Duo trigger has a distinct break that most shooters prefer over a single-stage unit for deliberate shooting.

The rifle accepts all standard TREAD accessories. The receiver is optics-ready with no iron sights included, so the first add-on for most buyers will be a red dot or scope.

## What Customers Say

*AI-generated insights from customer reviews*

The SIG M400 Tread Snakebite SE draws consistently positive feedback. Build quality is the most common talking point. Users note solid fit and finish throughout. The ergonomics, particularly the grip and adjustable stock, come up often as things that work well across different body types.

Shooters report good accuracy straight out of the box for both range work and more demanding use. The Matchlite Duo trigger gets favorable mentions for its clean break. Modularity is a genuine draw; the TREAD accessory system makes it easy to add optics and other hardware without gunsmithing. The FDE Cerakote finish gets attention for its appearance and durability. Pricing is generally seen as fair for the feature set SIG provides. First-time buyers tend to find the rifle intuitive to handle.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $1263.85 |

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