This screw-on bead replacement sight offers instant success to cross-eye dominant shooters. Utilizing HIVIZ Magni-Optics Technology, Magni-Comp is an affordable sight solution that replaces standard beads on most shotguns, offering struggling shooters immediate relief and better shooting. Comes with red and green interchangeable LitePipes and a big smile. Features: Fits most vent-ribbed shotguns with removable front bead Sight includes (5) screws in varying thread sizes to fit nearly any shotgun 3-56, 5-40, 6-48, 3mm x 0.5, 3mm x 0.6 LitePipe shape - round