HiViz Magni-Comp Bead Replacement Front Shotgun Sight - Green/Red - This screw-on bead replacement sight offers instant success to cross-eye dominant shooters. Utilizing HIVIZ Magni-Optics Technology, the 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: For cross-eye dominance; Fits most ribbed shotguns with removable front bead; Includes five screws in varying thread sizes: 3-56in; 5-40in; 6-48in; 3mm x .5; 3mm x .6; LitePipe Shape: Round;