For the first time, a shotgun sight is not just an ornament but an effective tool to improve your shooting. The exclusive HIVIZ belled light pipe is a light-gathering polymer that transmits a glowing image at all light levels.
The M400 fits ventilated ribs from .326" to .455" (5/16"-7/16", 8.2mm-11.3mm). With the HIVIZ sight, you will still focus clearly on the target, but the glowing sight will also give you a strong image of correct lead. It provides greater visualization when shooting in bright light and a strong reference point under low light conditions.
The HIVIZ sight provides a much clearer image of the sight/target relationship. Now you can train your muscles to react to the challenge of a fast-moving target. You will be able to see clearly what is happening and give yourself an effective tool to improve your skill level.