Geissele 14.5" HK416 M-LOK MK15 Black Super Modular Rail 05-826B is a precision-crafted handguard engineered for HK416 and MR556-compatible rifles, integrating lightweight design with maximum modularity. Featuring a continuous Picatinny top rail and M-LOK slots at 3, 6, 9, and 12 o’clock, this 14.5? free-float rail supports a wide range of accessories while maintaining a slim external profile for ergonomic control. Constructed from high-strength aluminum and finished in matte black hardcoat anodizing, it ensures military-grade rigidity and sustained zero retention. Material: 7000-series aircraft-grade aluminum Finish: Type III hardcoat anodized matte black Length: 14.5? free-float configuration Rail layout: Full-length Picatinny top; M-LOK slots at 3, 6, 9, 12 o'clock Attachment: Hinge-style torque-free clamp with anti-rotation tabs and set screws Weight: Approximately 1.55 lb (uninstalled) Outer diameter: Slim profile for enhanced grip and improved heat dissipation Part Number: 05-826B Geissele Automatics Geissele 14.5" HK416 M-LOK MK15 Black Super Modular Rail 05-826B