Description
The Strike Industries GRIDLOK Lightspeed 9-inch handguard is a quick-detach M-LOK rail designed as a direct-fit option for HK416-family platforms. It mounts using the factory HK OEM barrel nut and incorporates Strike Industries’ patent-pending GRIDLOK Quick Rail Detach latch for fast swaps. Intended for duty and professional use, the GRIDLOK serves as either a primary or secondary handguard to expand modular accessory options. The Lightspeed variant focuses on simplified attachment and reduced installation time.
Key Specifications
- The overall length is 9 inches for compact rail coverage.
- The external diameter measures 1.57 inches.
- The attachment interface is M-LOK for modular accessory mounting.
- The construction material is aluminum.
- The finish is black for a low-profile appearance.
- Compatibility includes HK416, HK MR556, and M27 IAR (ships without ambidextrous sling attachment points).
- Mounting uses the factory HK OEM barrel nut for direct replacement installation.
- Features the patent-pending GRIDLOK Quick Rail Detach latch for rapid handguard swaps.
- This is the Lightspeed version optimized for expedited installation.
- Designed to function as a primary or secondary handguard in modular setups.
Purpose-built for informed users who prioritize reliable modularity, the GRIDLOK Lightspeed 9-inch handguard streamlines accessory mounting and field swaps while preserving HK platform interfaces. Its M-LOK compatibility and aluminum construction balance durability and weight for duty, range, or precision applications.





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