HiViz Sight Systems M400 Wide Magnetic Shotgun Sight .328" to .437"

This magnetic base, shotgun front sight fits ribs from .328" to .437" (21/64" - 7/16", or 8.3mm-11.1mm). It comes with two green, and two red fiber optic family LitePipes.

Fits:

- Browning (Citori target grades, except for super wide ribs), and the S400-R Beretta (S682 Comp, trap guns)
- Winchester (all post-1964 pumps and autoloaders)
- Mossberg (all non-ported models)