Attach a light or laser to your factory handguard using this mini Picatinny rail attachment.Fits most handguards. Screws into existing vent holes on handguard1.5" rail is ideal for light, laser mounts or gripsConstructed of high-density polymerFast and easy installationPart #: SRFits: M16/AR15/M4Number of Rails: 1Made of: PolymerWeight (oz.): 0.64Width (in.): 0.8125"Length (in.): 1.5"Height (in.): 0.375"