The HiViz M400 M-Series is a snap-on magnetic front sight designed for shotguns with wider ribs. The Wide M400 model fits ribs from .328 to .437 inches (21/64 to 7/16 in, 8.3mm to 11.1mm) and is offered to accommodate a range of rib widths. It ships with interchangeable LitePipes — two red, two green and the uniquely HiViz two-toned LitePipe — to adapt to changing light conditions. The sight features a polymer frame and a magnetic snap-on base for quick installation and removal.
Key Specifications
- The sight fits ribs from .328 to .437 inches (21/64 to 7/16 in, 8.3mm to 11.1mm).
- Includes two red and two green LitePipes and the HiViz two-tone LitePipe for varied light conditions.
- Front material uses LitePipes fiber-optic elements for quick visual reference.
- Frame material is polymer in a black finish.
- Base configuration is a magnetic snap-on design for tool-free attachment.
- Intended for shotgun use and fits many pump and autoloader models.
- LitePipes are interchangeable to match lighting and shooter preference.
- Overall dimensions are 0.45 x 3.90 x 6.60 (inches).
- Shipping weight is approximately 0.05 (units as provided).
- Compatible fit listings include Winchester (post-1964 pumps & autoloaders), Mossberg (non-ported models), Browning Citori target grades (except super-wide ribs), and Beretta S682 Comp/Trap.
With modular LitePipe options and a magnetic snap-on base, the HiViz M400 offers a practical sighting solution for shooters seeking faster target acquisition and flexible performance across varying light conditions. Its polymer frame and interchangeable fiber-optic elements make it a straightforward upgrade for a wide range of shotguns where a durable, easy-to-use front sight is desired.
Reviews
There are no reviews yet.