Description
The Geissele Super Modular Rail (SMR) HK416 is a 10.5-inch replacement handguard engineered for the Heckler & Koch HK416 platform. It is precision-machined from 6061-T6 aluminum and finished with a Type III hardcoat anodize to provide a durable, corrosion-resistant surface. The design accepts modular rail sections at the 3, 6 and 9 o’clock positions and uses steel inserts for a solid steel-to-steel connection. It retains compatibility with the standard HK barrel nut to simplify installation on the intended platform.
Key Specifications
- Constructed from 6061-T6 aluminum for strength and weight savings.
- Finished in Type III hardcoat anodize for durability and corrosion resistance.
- Color is black for a low-profile appearance.
- The overall length is 10.5 inches to match compact HK416 configurations.
- Designed for the HK416 platform and intended as a direct replacement handguard.
- Compatible with the stock HK barrel nut to preserve factory interface.
- Accepts accessory rail sections at the 3, 6 and 9 o’clock positions for modularity.
- Uses steel inserts to provide a steel-to-steel mounting interface for rail sections.
- Manufactured by Geissele Automatics to their engineering specifications.
For users seeking a robust, modular handguard for HK416 platforms, the Geissele SMR 10.5-inch offers a proven combination of precise machining, hardcoat protection, and secure mounting points for accessories. Its compatibility with the factory HK barrel nut and steel-inserted rail sections make it a practical upgrade for duty, tactical, or professional-use builds where a dependable, adaptable interface is required.





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