The Picatinny M-LOK Rail Sections are designed to interface with your M-LOK rail and will allow use of your favorite picatinny accessories, such as lights, lasers, grips, etc. These high-quality M-LOK rail sections are precision machined out of 7075-T6 and Type-3 Hardcoat Anodized for extra durability. Available in 3, 5 and 7 lugs and adhering to MIL-STD 1913 Picatinny specs these M-LOK Rail Sections ensure optimal modularity for your rail system. Geissele M-LOK 5 Slot Black Picatinny Rail 08-194B