NcStar Glock Pistol Accessory Rail Adapter (MADGLO) The new NcStar accessory rail will allow you to add flashlights, lasers and accessories to your favorite pistol Rail easily mounts to the trigger guard (no gunsmithing Required) Made of high quality aluminum Rail Easily Mounts to the Trigger Guard (No Gunsmithing Required). Made of High Quality Aluminum. This mount clamps onto your early Generation Glock 9mm/.40 S&W handgun models and it provides a Weaver type rail for attaching flashlight or laser.