Lots of variables there.
If you're using a cheap mount, I would expect POI change even putting it back in the same slots. If you're using something like a GDI mount, less so.
Moving it one slot fore/aft on the receiver's rail section with a red dot, probably won't notice. With a magnified optic, maybe.
If you're putting it on the handguard, I would expect some change, regardless of mount.
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