CS Force 5 Slots 2-Inch KeyMod 1913 Picatinny Rail Section Pack of 1 Precision machined from aircraft grade T6 6061 aluminum alloy with matte black anodized finish Designed for Keymod Mounting System: Accepts All 1913 Picatinny Attachments & Accessories(Picatinny lights, bipods, forward grips, etc.) Includes Required Key mod Compatible Steel Locking Nuts, Steel Allen Screws and Allen Key for Installation