Sig Sauer M400 Tread 5.56 NATO 11.5" Barrel, M-LOK Handguard, Magpul BSL Overview: The Sig Sauer M400 Tread is a high-performance tactical rifle chambered in 5.56 NATO, built for shooters who demand reliability and versatility. Featuring an 11.5" cold hammer-forged steel barrel, M-LOK free-floating handguard, and Magpul BSL stabilizing brace, this semi-auto rifle is ideal for tactical, defensive, and recreational shooting. Key Features: Caliber: 5.56 NATO Capacity: 30+1 rounds for maximum firepower Action: Semi-Auto, Carbine operating system for smooth reliability Barrel Length: 11.5 inches Barrel Material: Cold hammer-forged steel, threaded (1/2"x28) Receiver: Alloy steel with a durable hard coat anodized finish Handguard: Lightweight M-LOK for easy accessory attachment Grip: Ergonomic polymer grip for comfortable control Sights: None (Picatinny rail ready for optics customization) Twist Rate: 1:7" for stabilizing a wide range of bullet weights Trigger: Two-stage match-grade trigger for precision shooting Specifications: Operating System: Carbine Stock Material: Black synthetic Stock Description: Magpul BSL Pistol Stabilizing Brace Receiver Material: Alloy steel Safety: Ambidextrous for right- or left-hand use OAL (Overall Length): 30.10" Height: 7.10" Width: 2.50" Weight: 5.90 lbs Handguard Finish: Black Receiver Finish: Hard Coat Anodized Barrel Finish: Black FNC (Ferritic Nitrocarburizing for added durability) Applications: Tactical: Perfect for defensive and tactical operations Recreational Shooting: Great for range days and training Customization Ready: M-LOK and Picatinny systems allow for endless accessory setups MPN: PM40011BTRDV2 UPC: 798681698950 Check out our special deals on 5.56 NATO Ammo.