The Geissele Super Modular Rail (SMR) HK 05190S is a drop-in replacement rail designed for the HK 416 platform. It is precision machined from 6061-T6 aluminum and finished in a Type 3 hardcoat anodize for enhanced surface durability. The rail is engineered to use the stock HK barrel nut and accepts accessory rail sections at the 3, 6 and 9 o’clock positions via steel inserts. Its modular layout provides a stable mounting interface for commonly used accessories while maintaining the HK 416 form factor.
Key Specifications
- The overall length is 10.50 inches.
- Constructed from 6061-T6 aluminum for strength and weight balance.
- Finished with a Type 3 hardcoat anodize for increased wear resistance.
- Designed specifically for the HK 416 platform as a direct replacement rail.
- Installs using the stock HK barrel nut for compatibility with standard components.
- Allows mounting of rail sections at the 3, 6 and 9 o’clock positions for accessory placement.
- Uses steel inserts at accessory locations for a steel-to-steel connection.
- Manufactured as a precision machined component for consistent fit and finish.
- Manufacturer part number is 05190S.
- Category: AR Handguards.
The SMR HK 05190S delivers a robust, modular platform for mounting accessories while preserving the HK 416’s operating geometry. Its machined construction, steel-reinforced attachment points, and Type 3 hardcoat finish make it a practical choice for users seeking a durable, adaptable rail solution.
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