Meprolight Tru-Dot Tritium Front Sight - Mossberg M500, M590
Meprolight Tritium Front Sight only, for Mossberg M500 and M590 model shotguns. Meprolight night sights feature a very distinguishable white outline around the tritium ampule for daylight conditions. In darkness the tritium ampule provides illumination. Meprolight Night Sights provide fast target aquisition in all lighting conditions.