Hi-Viz Tricomp Sight with Fundamental Concepts Hi-Viz Tri Comp front bead Fits most vent ribbed shotguns Shoot better at the range or in the field Easy to install Round and triangular LitePipes in red, green, and white TriComp Shotgun front sight replaces existing bead Steel base Includes 3 triangular and 3 round LitePipes in varied colors HiViz recommends gunsmith installation for all dovetail sights. Due to manufacturing tolerances, some firearms may require additional fitting.