This competition sight system is made to replace existing beads. It features eight LitePipes in a variety of colors and diameters, and a quick-access carrying case to allow rapid LitePipe changes to match varying light conditions. Features: - CompSight front shotgun sight replaces existing bead - includes 8 interchangeable LitePipes in varied colors and diameters carrying case for LitePipes included. Fits: most vent-ribbed shotguns with removable front bead. Note: hiviz recommends gunsmith installation for all dovetail sights. Due to manufacturing tolerances, some firearms may require additional fitting.