The Super Modular Rail MK8 M-LOK™ is Geissele Automatics’s ultra-modular handguard, engineered for strength, versatility, and performance. As one of the first rails to incorporate Magpul’s M-LOK® technology, the MK8 delivers a fully customizable platform without compromising rigidity.
Designed with maximum venting at the lower 45° quadrants, the MK8 enhances heat dissipation while significantly reducing overall weight. M-LOK® slots at the 3, 6, and 9 o’clock positions, along with the upper 45° quadrants, provide extensive mounting options—allowing users to configure their setup to meet specific mission or shooting requirements.
The MK8 also features Geissele’s proprietary 2.25" barrel nut, increasing surface contact between the rail and receiver for superior alignment and structural integrity. This extended interface ensures a straight, true free-float platform, enhancing accuracy and maintaining zero repeatability even after disassembly and reassembly for maintenance.
- Ultra-modular free-float M-LOK® handguard
- M-LOK® slots at 3, 6, 9 o’clock and upper 45° positions
- Enhanced venting for superior heat dissipation
- Lightweight yet rigid construction
- Proprietary 2.25" barrel nut for increased surface contact
- Improved alignment for consistent accuracy and zero retention
- Durable design
- Height: 2.3"
- Length: 13.5"
- Inner Diameter: 1.35"
- Outer Diameter (DAQ*): 2.11"
- Material: 7000 Series Aluminum
- Finish: Type-3 Hardcoat Anodize
- Weight: 10.8 oz (13.1 oz with barrel nut)