Perhaps not great, but well aimed (8)

I believe the answer is:

ontarget

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'well aimed' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'perhaps not great' is the wordplay.
'perhaps' is an anagram indicator.
'not'+'great'='notgreat'
'notgreat' is an anagram of 'ONTARGET'.

'but' is the link.

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I've seen this clue in The Irish Independent.

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