Sig Sauer - SIGM400, 5.56 NATO, SBR, 16IN, PROV2, Black, Semi Automatic, Folding Sights, Adjustable Stock, MLOK Handguard, (1) 30rd Magazine

The SIG SAUER M400 is a battle-proven direct gas impingement AR platform, engineered for superior reliability, accuracy, and modularity. At its core, the free-floating handguard features an innovative steel lockup system, minimizing deflection and ensuring maximum rigidity for consistent accuracy—even when fully outfitted with accessories. The precision-engineered 2-stage trigger offers a crisp, consistent 4.5-6.5 lb pull, enhanced by a flat blade design for optimal control and precision. To maximize durability and longevity, the M400 incorporates advanced performance coatings, making it the ideal rifle for law enforcement, military, and security professionals who demand unwavering performance.

• Proven & Trusted – The M400 platform has been adopted by U.S. and international law enforcement and special operations units, including the U.S. Department of Homeland Security. Its combat-proven reliability makes it a trusted tool for professionals worldwide.
• User-Driven Design – SIG SAUER develops all firearms, machine guns, ammunition, and suppressors with direct input from military and law enforcement personnel. Through ongoing user assessments, field trials, and demonstrations, SIG SAUER ensures that every feature meets real-world operational needs—from ergonomics to functionality.
• Future-Ready Modularity – The M400 is designed for full modularity, supporting next-generation enablers, accessories, and technologies. SIG SAUER understands that weapon platforms often outlast available enablers, so the M400 is built to evolve, integrating seamlessly with future advancements while maintaining an ergonomic, user-focused design.