The SIG Sauer M400 SDI XSERIES is a testament to superior design and engineering, offering an advanced performance rifle straight out of the box. This model features fully ambidextrous controls, including bolt catch & release, selector switch, charging handle, and mag release. The precision machined lightning cut upper and lower, along with a handguard clamp system, ensures minimal deflection when using mounted accessories. Ideal for range time and training, the M400 SDI XSERIES showcases SIG Sauer's commitment to innovation and quality. Its hybrid flash hider/compensator and 2-Stage Matchlite Trigger provide enhanced shooting experience, while the Magpul SL Telescoping Stock offers comfort and adaptability. Key Features: - Manufacturer: SIG Sauer - Model: M400 SDI XSERIES - Caliber: 5.56 NATO - Action: Semi-Auto - Finish Color: Black Anodized - Barrel Length: 16 in - Number of Magazines: 1 - Capacity: 30 - Optic Footprint: M-LOK - Unique Features: Hybrid flash hider/compensator, 2-Stage Matchlite Trigger - Night Sights: No - External Safety: No - Threaded Barrel: No - What's In The Box: 30rd Polymer Mag - Weight: 7.0 lb - Length: 33.5 in - Width: 2.8 in