HIVIZ S-Series Front .328in-.437in Green Magnetic Rib Shotgun Sight (S400-G)

Fits ultra-narrow ribs from .171" to .265" (11/64" - 17/64", or 4.2mm - 6.7mm)Comes with a green fiber optic family LitePipeFits the Beretta (686 & 687 models with ultra narrow rib, AL390, A304,...

Fits narrow ribs from .218" to .328"Comes with a green fiber optic family LitePipeFits the Remington (all field models), Browning (Gold 10-gauge, BPS, Auto-5), Beretta (Comp., T & ST ribs,...

Fits narrow ribs from .218" to .328"Comes with a red fiber optic family LitePipeFits the Remington (all field models), Browning (Gold 10-gauge, BPS, Auto-5), Beretta (Comp., T & ST ribs, Pintail...

Magni-Optics TechnologyFits ribs from .328" to .437" (21/64" - 7/16", or 8.3mm - 11.1mm)Comes with two red, and two green, fiber optic family LitePipesFits the Winchester (all post-1964 pumps and...

Magni-Optics TechnologyFits ribs from .218" to .328" (7/32" - 21/64", or 5.5mm - 8.3mm)Comes with two red, and two green, fiber optic family LitePipesFits the Remington (All field models), Browning...