Kexuan 3 Piece M-LOK to Picatinny Rails; 2 x 3 Slots 1 x 7 Slots Aluminum Dark Blue Dark Blue. Features of Kexuan 3 Piece Picatinny Rail Section Kit for M-LOK Style 2x3 Slots A6061-T6 Aluminum. Dark Blue Anodized Kit comes with (2) 3 Slot and (1) 7 Slot rail plus attaching hardware Package Contents: Kexuan 3 Piece Picatinny Rail Section Kit for M-LOK Style 2x3 Slots Fixing hardware Kexuan RLMLK1-DBL: 3 Piece M-LOK to Picatinny Rails; 2 x 3 Slots 1 x 7 Slots Aluminum Dark Blue Dark Blue