The Hi-Viz M400 Fiber Optic Front Sight for Shotgun features a magnetic design that attaches to shotgun ribs measuring .328″ to .437″ (21/64″ – 7/16″, or 8.3mm – 11.1mm). The sight comes with 2 red and 2 green fiber optic LitePipes for versatile aiming in varying light conditions.
This sight is designed to fit Winchester (all post-1964 pumps and autoloaders), Mossberg (all non-ported models), Browning (Citori target grades, except for super wide ribs), and Beretta S400-R and S682 Comp trap guns. Dimensions measure 0.45 X 3.90 X 6.60, with a height of 0.4500″, width of 3.9000″, and length of 6.6000″. The sight is interchangeable and applies to .312-.437″ ribs with red and green fiber optic options.
