Williams Gun Sight Ghost Ring Blade Fiber Optic Green. The ghost ring blade has a very thin ring so the sight picture is accentuated not to mention it's very ghostly By squeezing the trigger guard the sight picture gets enlarged providing more then double the normal sight picture. The ghost ring blade also allows for quick pin point alignment no more fumbling to find your target It also gives you a very tall rear sight with the ghost ring so you can shoot straight out of the box. Specifications for Williams Gun Sight Ghost Fiber Optic Ring Blade: Manufacturer: Williams Gun Sight Color: Black Rear Sight Color: Green Fabric/Material: Metal Gun Type: Pistol Attachment Type: Screw Illumination Type: Fiber Optics Weather Resistance: Yes Package Contents: Williams Gun Sight Ghost Fiber Optic Ring Blade Williams Gun Sight 608941: Ghost Ring Blade Fiber Optic Green