SIG Sauer M400 TREAD

Overview

The SIG Sauer M400 TREAD delivers exceptional modularity, reliability, and performance in a compact AR-platform configuration, designed for shooters seeking maximum versatility in a lightweight package.

Key Features

Compact AR-Platform Design

Short 279mm barrel length combined with a free-floating M-LOK handguard for enhanced maneuverability and accessory attachment options.

Durable Construction

Upper and lower receivers crafted from lightweight aluminum, finished with hard-coat anodizing for maximum durability and corrosion resistance.

Factory-Installed Features

Equipped with a SIG-designed flash hider, a single-stage polished/hard-coat trigger, and a stabilizing pistol brace for improved control and accuracy.

Modular Upgrade Path

Compatible with TREAD-series accessories including handguards, sights, triggers, and muzzle devices, allowing complete personalization.

Specifications

• Caliber: 5.56×45mm NATO
• Barrel Length: 279mm
• Overall Length: 765mm
• Weight: 2920g
• Material: Aluminum upper and lower receiver
• Finish: Hard-coat anodized
• Handguard: Free-floating M-LOK
• Trigger: Single-stage polished/hard-coat
• Thread: 1/2×28 UNEF
• Stock: Pistol stabilizing brace
• Compatibility: M-LOK accessories, compatible with TREAD-series components