LVLing 45 Degree Offset Rail Mount with Picatinny/Weaver Style Rail Offset Rail allows the attachment of laser/flashlight mounts, red dot sights or other accessories. This was designed to fit a picatinny rail system Keeps accessories off to the side so they don't interfere with vertical grips, handguards, or optics High grade aluminum construction Ergonomic design gives easy access to on/off switches for Flashlights, Lasers, or Red Dot sights