This HIVIZ sight  can turn your shooting around adding visibility and a better point of reference to your sight plane. Attaches with magnets in seconds. 

• HiViz Bird Buster magnetic sights come with four interchangeable LitePipes of different diameters to match different lighting conditions  
• Includes three sizes of magnetic bases to fit the rib of virtually any shotgun  
• Mounts easily with no gunsmithing required
• Fits all Browning shotgun