The Sig Sauer M400 TREAD V2 is an evolution of the M400 platform built to deliver dependable, configurable performance for range work, competition, and practical field applications. It ships with a 16-inch stainless steel barrel, a mid-length gas system for smoother operation, and a free-floating enhanced M-LOK handguard for secure accessory mounting. The rifle includes an ambidextrous safety and magazine release, an integrated lower-receiver QD mount, and a six-position Magpul SL-K telescoping stock for user adjustment. Finish options include a Concrete Cerakote for corrosion resistance and a distinctive appearance.
Key Specifications
- The caliber is 5.56 NATO.
- The barrel measures 16 inches and is made of stainless steel.
- The barrel has a twist rate of 1:8.
- The muzzle device is a SIG 3-prong flash hider.
- The action type is Semi-Auto.
- The operating system uses a mid-length direct impingement gas system.
- The stock is a 6-position Magpul SL-K telescoping stock.
- The trigger is a SIG 2-Stage Matchlite Duo.
- This package includes one 30-round polymer magazine.
- The listed weight is 6.5 lb.
The M400 TREAD V2 pairs practical ergonomics with proven AR-platform reliability and straightforward modularity. Its free-floating M-LOK handguard and optics-ready receiver let you configure the rifle for target work or practical shooting, while the Matchlite two-stage trigger and stainless barrel support consistent shot-to-shot performance. With a compact 16-inch profile, ambidextrous controls, and a user-adjustable Magpul SL-K stock, this model is built for shooters who value a capable, adaptable rifle without unnecessary complexity.
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