The M400 TREAD by SIG Sauer is a versatile and high-performance AR-15 style rifle designed to provide exceptional control, durability, and customization options. Here are the key details and features of the M400 TREAD: Key Features: Free-Floating M-LOK Handguard: Lightweight and rigid for extreme control. Allows easy mounting of accessories such as lights and handstops. Ambidextrous Safety: Suitable for right or left-handed operation. Integrated QD mount for easy sling attachment. Barrel: Chambered in 5.56 NATO. 16" stainless steel barrel offering extreme durability and corrosion resistance. 3-prong flash hider. 1:8 twist rate for versatile performance. Gas System: Mid-length gas system for smoother operation and reduced recoil. Trigger: SIG Matchlite 2-stage trigger for enhanced control and improved accuracy. Stock: MAGPUL SL-K telescoping stock for easy adjustment and a customized fit. Item Details: Manufacturer Part Number: RM400-16B-TRD-V2G Capacity: 30 rounds Caliber: 5.56 mm NATO Factory Equipped Sights: None Stock Type: Collapsible Color: Green Barrel Length: 16" Hand: Right Muzzle Device: Flash Hider Adjustable Stock: Yes Threaded: Yes Style: AR-15 Summary: The M400 TREAD is designed for those who want a reliable, customizable, and high-performing AR-15. It provides all the features needed for a versatile and dependable rifle without compromising on quality or performance.