BARSKA Green Laser with Built-in Mount and Rail Barska's new GLX compact mounted laser sights are designed with an accessory rail mounted conveniently under the laser The T6 aluminum body allows for the GLX laser sight to provide a strong, stable platform to mount accessories to its integrated military standard pica tinny rail The GLX compact laser sight is extremely versatile in its mounting options Class IIIA Laser Product, 5mW power output