The M400-TREAD Pistol has a carbine gas system offering smoother operation and reduced recoil. The M400-TREAD Pistol features a free-floating M-LOK enhanced handguard; lower receiver has an ambidextrous safety for right or left-handed operation and includes an integrated QD mount for easy sling attachment; 11.50" Cold hammer forged steel barrel fitted with a 3-prong flash hider and has a 1:7 twist rate; SIG Matchlite 2-stage trigger for enhanced control and improved accuracy.Discover performance and versatility with the SIG SAUER M400 TREAD Pistol, a premium AR-style firearm engineered for reliability and adaptability. This pistol boasts a lightweight, durable aluminum frame and a free-floating M-LOK handguard for enhanced accuracy and customization. Cold Hammer Forged barrel chambered in 5.56 NATO, the M400 TREAD offers exceptional performance in a compact and maneuverable platform, making it perfect for home defense or the range. Featuring ambidextrous controls, a precision-machined upper and lower receiver, and SIG's renowned craftsmanship, this pistol is ready to perform out of the box. Upgrade your shooting experience with the M400 TREAD - where quality meets innovation.Features: Chambered in 5.56 NATO for versatile performance. Lightweight and durable aluminum construction. Free-floating M-LOK handguard for modular accessory mounting. Ambidextrous controls for user-friendly operation. Compact design ideal for maneuverability.Specifications: Platform: AR-15 Model: M400 Tread V2 Barrel Length: 11.5" Barrel: Cold Hammer Forged Twist: 1:7 Barrel Thread: 1/2 x 28" Caliber: 5.56x45 NATO Action: Semi-Auto Operating System: Direct Impingement Sights: Optic Ready Fire Control Group: SIG 2-Stage Flat Matchlite Duo Overall Length: 30.1" Weight: 5.9 lbs Capacity: 30 (1) Brace: Magpul BSL Pistol Stabilizing Brace