Out of stock
SKU: 430102475
UPC: 798681639519
MPN: RM400-SDI-16B-DH3
The SIG SAUER M400 DH3 223 Wylde 16" Gray MLOK is a modern direct-impingement rifle engineered for professional shooters, law enforcement, and tactical operators who demand reliability and modularity. Built on the proven M400 platform, this rifle combines a mid-length gas system with SIG's reputation for precision manufacturing to deliver a compact, versatile platform suitable for home defense, duty use, and precision shooting applications. The 16-inch barrel provides the ideal balance between maneuverability in confined spaces and velocity retention for intermediate cartridges.
The DH3 designation indicates this rifle features a monolithic upper receiver with integrated Picatinny rail and M-LOK accessory slots, eliminating the traditional handguard gap and providing superior ergonomics and rail stability. The integrated compensator reduces perceived recoil and muzzle rise, critical for tactical follow-up shots and rapid target transitions. Chambered in 5.56 NATO/.223 Wylde, this rifle accepts both standard 5.56 NATO ammunition and precision .223 Remington loads, giving operators maximum ammunition flexibility without compromising accuracy. The aluminum construction keeps the rifle at 10.3 lbs—light enough for extended carry operations while maintaining the rigidity necessary for consistent performance. Standard 30-round magazine capacity provides practical firepower for duty and home defense scenarios.
Professional law enforcement and military personnel benefit most from this platform's inherent modularity—the MLOK system allows rapid mounting of lights, vertical grips, and other tactical accessories without rail clutter. The gray finish provides a professional, duty-appropriate appearance while resisting corrosion in variable environments. Out of the box, the rifle arrives with a blank front sight and carry handle provisions, allowing shooters to mount their optic platform of choice (red dot, LPVO, or magnified scope) based on mission requirements. This rifle pairs seamlessly with common AR-15 accessories and upper receiver components, making it an excellent foundation for custom builds or immediate duty deployment.
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