True North Concepts K2 GripStop Black. The K2 uses a smaller single M-Lok slot footprint compared to its Standard and K brothers. The K2 is built from domestically sourced 6061-T6 Aluminum with our standard Milspec Anodized Type 3 Hardcoat. The latest addition to the GripStop family is tough reliable and not too bad on the eyes. All GripStops carry the same lifetime No questions asked replacement warranty and is built with military application at the forefront of its design. Specifications for True North Concepts K2 GripStop: Manufacturer: True North Concepts Fabric/Material: 6061-T6 Aluminum Mount Type: M-LOK Features of True North Concepts K2 GripStop Single M-Lok Slot Footprint Increased ergonomics and control on all M-LOK compatible Carbines Submachine guns and Shotguns Works with all shooting techniques Built-in barrier stop for added accuracy. Package Contents: True North Concepts K2 GripStop True North Concepts GSK2A-01: K2 GripStop Black