This keymod rail panel kit is made to fit all keymod mounting surfaces with seven consecutive keymod slots.It has a ultra-slim and radiused surface which allows a "round" handguard feeling, from an octagonal profile, aggressive non-slip or non-reflective surface, and is ventilated for cooling.Included is a bi-directional locking tabs on either end, depending which direction they are installed and five matching color keymod panel strips.Finish: GrayType: Rail MountModel: BCMDimensions: KeymodSize: 5.56mmMaterial: Polymer