Your eye is the rear sight.
bead
Perazzi shotgun
Yes
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Yes, a front and a rear sight.
where can I buy a new rear sight for a spesco 38 special
AnswerShotguns don't have sights. Just a bead at the front of the barrel. Incorrect. Some shotguns do just have a bead at the muzzle's end ... but, shotguns do indeed have aiming sights available. Typically, a shotgun designed to shoot rifled slugs will have conventional, adjustable iron sights with the rear sight mounted in the area above the trigger & and a blade sight ... sometimes with a colored line on the front sight. A typical name for shotgun sights is called Ghost Ring Sights. It came standard on my Mossberg 500 12 Ha. Shotgun.
I believe the serial number is behind or to the rear of the rear sight. you should be able to see serial number without removing sight
Tap it gently. that's all it takes! This is from the manual: Your rifle has been sighted-in and test-fired at the factory. Due to individual shooting characteristics, however, sighting should be range verified. 1.) Vertical Correction (Elevation) To raise the point of impact, raise the rear sight, by moving the sight elevator rearward. To lower the point of impact, lower the rear sight, by moving the sight elevator forward. The sight can be raised and lowered by moving the stepped elevator forward and back with your thumb. To move the point of impact to the left, tap the rear sight base to the left. To move the point of impact to the right, tap the rear sight base to the right. Windage adjustments to the rear sight can be made by gently tapping the dovetail portion of the rear sight in the desired direction.
adjust rear sight up for distance
A backsight is the rear sight of a firearm.
Depends on the firearm.