Geissele 14.5" HK416 M-LOK Desert Dirt Color™ Super Modular Rail 05-848S is a rugged free-float handguard designed for HK416 and MR556-pattern rifles, enhancing modularity and durability with a low-profile Desert Dirt Color finish. Machined from 6061-T6 aluminum and finished in Type III hardcoat anodize, this rail integrates with the original HK barrel nut while offering full Picatinny flexibility on top and M-LOK slots at the 3, 6, and 9 o'clock positions for accessory attachment. Material: 6061-T6 aircraft-grade aluminum Finish: Desert Dirt Color™ (DDC), Type III hardcoat anodized Length: 14.5? (actual rail ~13 5/8?) Height: 2.61? exterior Inner Diameter: 1.35?; Outer Diameter (DAQ): 2.08? Weight: approximately 14.2 oz Mounting: full-length Picatinny top rail with M-LOK at 3, 6, and 9 o’clock Attachment System: uses HK factory barrel nut; hinge-style torque-free clamp Part Number: 05-848S Geissele 14.5" HK416 M-LOK DDC Super Modular Rail 05-848S - Light Mount Marks 8693