Shotgun sights

Shotguns do not usually have rear sights. Most have a round bead sight at the muzzle end and a ventilated rib on top of the barrel. When pointing a shotgun at a target, the rib and front bead should be aligned so that you are looking straight down the barrel, to properly hit the target. If the bead appears to be higher or lower than the rib, then you are not looking straight down the barrel, and the shot will not hit the intended target.