10/22 accuracy after tear down

If you messed around with the scope, then yes. If not, you should still be on paper & shouldnt be a big deal sighting in again...
 
If by "took it apart" you mean that you removed the barreled action from the stock, or even removed the trigger group or bolt (both totally unnecessary for normal cleaning) then you should be okay. If you actually removed the scope...then I hope you enjoyed your first zeroing session 'cuz it's time for another one. Live and learn.

John
 
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