The super modular rail HK416 M-LOK is a cutting-edge upgrade designed specifically for the HK416 and MR556 weapon platforms, offering a superior alternative to the standard rail. This advanced rail system seamlessly integrates with the existing HK barrel nut, ensuring compatibility while delivering the renowned strength, rigidity and modularity that Geissele products are known for. Constructed from high-grade 6061-T6 aluminum and finished with a type 3 hardcoat anodize, this rail meets stringent military specifications, ensuring durability and reliability in the most demanding conditions. The SMR HK416 M-LOK is engineered for versatility, featuring M-LOK bipoding slots at the 3, 6 and 9 O'clock positions along the entire length of the rail, providing ample space for accessory attachment. Additionally, a full-length picatinny rail runs along the top, offering further customization options for tactical enhancements. Developed with direct input from elite military personnel, the Geissele super modular rail HK416 M-LOK embodies a perfect blend of innovative design and practical functionality, making it the preferred choice for professionals who demand the best in performance and adaptability.M-LOK mounting points are positioned at the 3, 6 and 9 o'clock orientations12 o'clock picatinny rail