Four interchangeable high-intensity LitePipes are included with all M-Series sights allowing the shooter to adjust to existing light conditions. The S-Series includes a single LitePipe in your choice of green or red at a more economical price.

HiViz?s snap on/off magnetic base is available in four different sizes to fit virtually any rib width from 11/64? to 9/16?. Refer to the selection chart for compatibility. Not compatible with fiber or aluminum ribs.

S400 – Fits: Ribs from .328″ – .437″ (21/64 – 7/16″ 8.3mm – 11.1mm). Fits Winchester: all post 1964 pumps and autoloaders; Mossberg: All (except ported models); Browning: Citori target grades (except super wide ribs); Beretta: S682 Comp trap guns.