Nordic Components Picatinny Mount 3 Slot 1.59in Fits M-LOK Black. 59" in length and fits an M-LOK mounting interface. It's precision machined from high strength mil-spec aluminum featuring beveled edges to reduce snags and includes all necessary M-LOK mounting hardware. Specifications for Nordic Components Picatinny Mount 3 Slot 1.59in Fits M-LOK: Manufacturer: Nordic Components Color: Black Gun Rail: M-LOK Gun Type: Rifle Length: 3 Slot Features of Nordic Components Picatinny Mount 3 Slot 1.59 Fits M-LOK: Three Slot Picatinny Rail Section 1.59" overall length All harware included Package Contents: Nordic Components Picatinny Mount 3 Slot 1.59in Fits M-LOK