SIG SAUER M400 TREAD V2 5.56 NATO 16″ 10+1

About this product

The SIG SAUER M400 TREAD V2 is a semi-automatic AR-style rifle chambered in .223 Rem / 5.56 NATO and built around a 16″ stainless steel barrel. It pairs a free‑floating M-LOK enhanced handguard with a MAGPUL SL‑K telescoping stock and a SIG Matchlite two-stage trigger to deliver a practical, adaptable platform. The rifle uses a mid-length gas system and is finished with black anodized components for durable service in varied conditions.

Key Specifications

• Chambered in .223 Rem / 5.56 NATO for broad ammunition compatibility.
• The barrel measures 16 inches and is stainless steel for durability and corrosion resistance.
• Magazine capacity is 10+1 rounds as shown in the product naming.
• The action is Semi-Auto for standard AR-style operation.
• Features a free‑floating M-LOK enhanced handguard for accessory mounting and modularity.
• Equipped with a SIG Matchlite two-stage trigger to support controlled, repeatable shots.
• Includes a Magpul SL‑K telescoping stock for quick length-of-pull adjustment.
• Fitted with a 3‑prong flash hider at the muzzle.
• Operates on a mid‑length gas system to reduce perceived recoil and improve cycling.
• Receiver and major components feature a black anodized finish for corrosion resistance and a uniform appearance.

With its combination of a stainless 16″ barrel, Matchlite trigger, and M-LOK accessory-ready handguard, the M400 TREAD V2 offers a balanced, adaptable platform for range use, training, and general utility applications where legal. The rifle’s ergonomic controls and modular layout make it straightforward to outfit for the shooter’s preferred configuration.

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