Sig Sauer M400-SDI X 16 Inch 5.56

The Sig Sauer M400-SDI X is a high-performance rifle engineered for exceptional accuracy, modularity, and reliability. Featuring a 16-inch barrel chambered in 5.56 NATO, this rifle excels in intermediate to long-range engagements. Its Mid-Length Direct Impingement operating system ensures smooth and reliable cycling, while the free-floating M-LOK handguard offers unmatched customization for tactical accessories. Designed with ambidextrous controls and a SIG 2-Stage Matchlite Duo trigger, the M400-SDI X delivers exceptional control and usability for shooters of all levels. Built from lightweight aluminum, this rifle provides excellent balance and durability, making it an outstanding choice for sporting and tactical applications.

Specifications

• Caliber: 5.56 NATO
• Barrel Length: 16 inches / 406 mm
• Overall Length: 927 mm
• Height: 180 mm
• Width: 70 mm
• Weight: 3.18 kg
• Material: Aluminum upper and lower receiver
• Barrel Thread: 1/2x28 TPI
• Handguard: Free-floating M-LOK
• Trigger: SIG 2-Stage Matchlite Duo
• Operating System: Mid-Length Direct Impingement

Key Features

Precision Design for Versatile Performance

The 16-inch barrel and advanced operating system provide excellent performance for intermediate and long-range engagements.

Enhanced Customization Options

The free-floating M-LOK handguard allows for seamless attachment of tactical accessories.

Reliable and User-Friendly

The Mid-Length Direct Impingement system ensures smooth operation, and ambidextrous controls make it accessible for all shooters.