HiViz S200

Magnetic front sight, 1 replaceable red or green fiber optic. 3 different models for sight ribs of varying width:

S200-G (green) for rib widths 4.2 mm – 6.5 mm
S200-R (red) for rib widths 4.2 mm – 6.5 mm

S300-G (green) for rib widths 5.7 mm – 8.2 mm
S300-R (red) for rib widths 5.7 mm – 8.2 mm

S400-G (green) for rib widths 8.2 mm – 11.3 mm
S400-R (red) for rib widths 8.2 mm – 11.3 mm