A raised sighting surface which is separated from the barrel by means of posts that allow air to circulate around it. Its purpose is to minimize heat waves in the line of sight. Also called Bridge Rib.
VENTILATED RIB
< Back to home
A raised sighting surface which is separated from the barrel by means of posts that allow air to circulate around it. Its purpose is to minimize heat waves in the line of sight. Also called Bridge Rib.