The Sig Sauer M400 Tread Predator 2 is a semi-automatic modern sporting rifle chambered in 5.56 NATO / .223 Remington. The Jungle Green Cerakote finish gives it a distinctive camo look that works well in the field, and the underlying feature set is well thought out for both recreational shooting and practical use. 
 

Key Specifications 

• Manufacturer: Sig Sauer 
• Model: M400 Tread Predator 2 
• Type: Modern Sporting Rifle 
• Caliber: 5.56 NATO / .223 Remington 
• Barrel Length: 16 inches 
• Capacity: 5 rounds (1 magazine included) 
• Weight: 7 lbs. 
• Finish: Jungle Green Cerakote (Camo) 
• Action Type: Semi-Automatic 
   

Detailed Features 

• Stock: MAGPUL PRS Lite, which provides a stable, adjustable cheek weld and length of pull for comfortable positioning during extended sessions. 
   
• Free-Floating M-LOK Handguard: The free-float design keeps the barrel isolated from any pressure-induced flex, which helps consistency. The M-LOK slots accept lights, grips, or other accessories without adding much bulk. 
   
• Threaded Barrel: 1/2x28 thread pattern accommodates suppressors or standard muzzle devices. 
   
• Twist Rate: 1-in-8", which handles a wide range of .223/5.56 bullet weights reliably. 
   

Usage Notes 

 
The 16-inch barrel keeps overall length manageable indoors and in vehicles while still producing good velocity with 5.56 loads. The 5-round capacity suits jurisdictions with magazine restrictions; standard 30-round PMAG compatibility means capacity is easy to adjust where legal. At 7 lbs. without optics the rifle is on the heavier end for a carbine, which some shooters will notice on long carry days, but that weight also steadies the platform for precise shots.

The M400 Tread Predator 2 in Jungle Green draws consistent positive feedback for its build quality and the Sig Sauer fit-and-finish shooters have come to expect. The finish color gets attention. Users appreciate that it stands out from the standard black or flat dark earth options without being garish.

Versatility comes up frequently. The adjustable MAGPUL PRS Lite stock and free-float M-LOK handguard make it easy to configure for different shooters or roles, and people use it across recreational plinking, hunting, and home defense setups.

Accuracy is regularly praised. Most shooters report clean zeros and good groups right out of the box, and the rifle holds those groups consistently across session after session. The 1-in-8 twist rate handles a broad range of bullet weights without fussiness.

The one recurring critique is weight. At 7 lbs. before optics, it's noticeably heavier than stripped-down lightweight builds, and shooters who prioritize minimal carry weight sometimes prefer other platforms. That said, the weight tends to work in the rifle's favor when it comes to recoil management and shooting stability.

On price, the consensus is that the quality justifies the cost, though the Predator 2 sits above entry-level AR-15s. Compared to competitors at similar price points, most owners feel the Sig package (trigger, barrel, stock, and finish) holds up well.