I recently got a No4 Mk2 Enfield from my Dad (other than the bubba'd stock it is intact and in great shape) and am having trouble figuring out the "pop-up" peep sights. It is this part:
What do the numbers correspond to? I am assuming it has to do with yardage or distance, but which, and how much?
What do the numbers correspond to? I am assuming it has to do with yardage or distance, but which, and how much?




















































