Description
The SIG Sauer M400-TREAD Pistol is a high-performance AR-platform firearm built for serious shooters. It features a durable 7075-T6 aluminum upper and lower receiver with a hard-coat anodized finish for maximum corrosion resistance. This pistol configuration, equipped with a SIG SBX™ pistol stabilizing brace, delivers the TREAD series’ renowned reliability and accuracy in a compact, maneuverable package ideal for dynamic shooting.
Key Features
- Chambered in 5.56 NATO for proven terminal ballistics and widespread ammo availability.
- Features a 11.5-inch cold hammer-forged barrel with a 1:7 twist rate for optimal accuracy.
- Includes a SIG SBX™ pistol stabilizing brace for enhanced control and stability.
- Equipped with a 2-stage match-grade trigger for a crisp, clean pull.
- M-LOK compatible handguard allows for direct accessory mounting without bulky rails.
Specifications
| Caliber / Type | 5.56 NATO / AR Pistol |
|---|---|
| Material | 7075-T6 Aluminum |
| Finish | Hard-Coat Anodized |
| Compatibility | Standard AR-15/M4 parts and magazines |
| Weight | Approx. 6.4 lbs |
The M400-TREAD Pistol’s 11.5-inch barrel is engineered to maintain reliable cycling and velocity from the 5.56 NATO cartridge in a short configuration. The cold hammer-forging process increases barrel life and consistency. This platform is designed for close-quarters training, home defense, and as a highly adaptable base for customization, leveraging the standardized AR-15 operating system known for its modularity and service life.




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