The Super Modular Rail (SMR) MK4 M-LOK is Geisseles ultra-lightweight M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 oclock positions. Maximum venting for heat dissipation also dramatically reduces the rail’s overall weight, while maintaining its same strong and rigid platform. Utilizing Magpul’s M-LOK technology at the 3, 6, and 9 o’clock positions, as well as the upper 45 quadrants.
Specifications
- Manufacturer part number: 051656S
- Series: Mk4
- Model: Super Modular Rail
- Color: DDC
- Material: Aluminum
- Mount Type: M-LOK
- Finish: Hardcoat Anodized
- Length: 10.50″
- Diameter: 2.11″ Outer
- Height: 2.40″
- Weight: 10.60 oz
Compatibility
Mount: M-LOK.
Genuine Geissele product, manufacturer part number 051656S. New in the manufacturer’s packaging with full factory warranty. Usually ships within 1-2 business days.






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