Zeroing a scope would be the act of aligning your POA ("place of intention", Anything you're aiming at) and also your POI ("place of effect", where the bullet fired out of your gun is hitting) at a particular length. They are really more than able to becoming mounted on either https://whitelightopticalsights63962.ttblogs.com/7480815/white-light-optical-sights-fundamentals-explained