Safariland Model RLS Rapid Light System Weapon Light Mount is a weapon mount for professional quality hand held light and gun mounted light RLS Flashlight by Safariland. RLS mount will accommodate any hand held compact light in the range of .970" (24.6mm) -1.060" (26.9mm) in diameter. This flashlight accessory fits most handgun models that incorporate an integral rail system. Also mount to rifles and shotguns that have a Picatinny rail. Allows quick transitions from standard flashlight to tactical illumination.