Description
The SIG SAUER M400-TREAD V2 is a modern, feature-rich AR-15 platform rifle built for reliability and customization. This model features a 16-inch, cold hammer-forged barrel with a 1:8 twist rate and a mid-length gas system for smooth operation. The enhanced TREAD handguard offers ample M-LOK attachment points, and the rifle comes optics-ready with a flip-up rear sight, providing immediate utility straight from the case.
Key Features
- 16″ Cold Hammer Forged Barrel with 1:8 Twist & Mid-Length Gas System
- Enhanced Free-Float M-LOK TREAD Handguard for Maximum Accessory Mounting
- Includes SIG SAUER Flip-Up Rear Combat Sight (MBUS-style)
- Ambi Safety Selector & Extended Takedown Pins for Enhanced Control
- Flat-Blade Trigger for a Clean, Consistent Pull
Specifications
| Caliber / Type | 5.56 NATO / .223 Remington Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum Upper/Lower, Steel Barrel |
| Finish | Hardcoat Anodized, Nitride Barrel Finish |
| Compatibility | Standard AR-15/M4 Parts & Magazines |
| Weight | 6.7 lbs (unloaded) |
The M400-TREAD V2’s mid-length gas system reduces felt recoil and bolt carrier velocity, enhancing reliability and component longevity. The 1:8 twist rate barrel optimally stabilizes a wide range of 5.56/.223 bullet weights from 55 to 77 grains. This rifle is engineered for consistent performance in training, competition, and defensive roles, backed by SIG SAUER’s military-proven design heritage.
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