Geissele 14.5" HK416 M-LOK MK15 Desert Dirt Color™ Super Modular Rail 05-826S combines compact design and pro-level modularity for HK416 and MR556-pattern rifles. Built from aircraft-grade aluminum and finished in Desert Dirt Color™ Type III hardcoat anodizing, this 14.5" free-float rail features a full-length Picatinny top rail and M-LOK attachment slots at 3, 6, 9, and 12 o’clock. Its rugged hinge-style clamp system with anti-rotation tabs and set screws ensures rock-solid alignment, while the slim outer profile offers excellent ergonomics and heat dissipation in tactical setups. Material: Aircraft-grade aluminum Finish: Desert Dirt Color™ (DDC), Type III hardcoat anodized Length: 14.5? free-float rail Rail Layout: Full Picatinny top; M-LOK slots at 3, 6, 9, 12 o’clock Attachment: Torque-free hinge clamp system with anti-rotation tabs and set screws Weight: Approximately 1.55 lb unloaded Outer Diameter: Slim profile for enhanced control and cooling Compatibility: HK416/MR556-style uppers Part Number: 05-826S Geissele Automatics Geissele 14.5" HK416 M-LOK MK15 DDC Super Modular Rail 05-826S