Crossword Genius

Legitimate target in shooting gallery for example (4,4)

Ross

I believe the answer is:

fair game

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'legitimate target' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

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(Other definitions for fair game that I've seen before include "hoopla, perhaps?" , "Legitimate target like blonde animal" , "Suitable target" , "Fear magi with legitimate target" , "Aunt Sally, for instance" .)

I've seen this clue in The Irish Times.
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