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Originally Posted by Reynolds357
Line of sight. Point of aim. It's a no brainier.
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Originally Posted by Reynolds357
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It's actually the opposite on an A2 rear aperture. The "up" arrow points clockwise. Turning that wheel clockwise raises the rear aperture. As it rises, the point of impact gets higher relative to the point of aim.
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You are missing it. If you move a sight, front or back, up or down; What changes? Rifle is on a linear bearing sled, you move sight. What changed? Point of impact didn't change, the rifle is locked down. POI does not change until you move the rifle.
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Note the underlined language.
Bart's question isn't whether an immobilized rifle moves when the sights are adjusted. Rather the inquiry is the direction in which they change in response to adjustment. It isn't a trick question.
Complicating the answer is that some manufacturer's seemingly mean different things by "up" and "left", or don't seem to have right hand threads in the adjustment mechanisms.