![Magpul MAG581: M-LOK Alum Rail Sect 5 Slots Magpul MAG581: M-LOK Alum Rail Sect 5 Slots](https://cdn11.bigcommerce.com/s-llwpiff/images/stencil/300x300/products/2839/5301/GetImage_4__70252.1481562503.jpg?c=2)
MAG583: M-LOK Alum Rail Section: 9 Slots
The Magpul M-LOK Aluminum Rail Section is designed to be used with all M-LOK compatible forends and handguards wherever you might need to add an M1913 Picatinny rail section! Machined from Mil-Spec anodized aluminum, the M-LOK rail sections have beveled ends to reduce snagging and eliminate sharp corners and edges.