HIVIZ® M-Series Wide Magnetic Shotgun Sight. Fits shotguns with ribs from .328" to .437" (21/64" to 7/16") (8.3mm to 11.1mm). Includes Green and Red replaceable LitePipes in two diameters plus the unique HIVIZ two-toned LitePipes (green LitePipes with a red center).
Features:
Wide fits ribs from .328" to .437"
Green .135" green .175" red .135 and two tone .175
Features:
Wide fits ribs from .328" to .437"
Green .135" green .175" red .135 and two tone .175