for .22lr i don't think your flinching, unless very nervous,
i'd check all bolts nuts etc, rezero, test fire and see if it does the same,
most .22lr rounds are wax coated, if you have put alot of these downrange, then i'd recommend a really good clean and scrub out, check the crown of the barrel for any damage,
and if all else fails change scopes and retry after zeroing,
Snap.