He’s not wrong to shoot without further ado (2,3,4)

I believe the answer is:

on the spot

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'without further ado' is the definition.
I can't tell whether this defines the answer.

'he's not wrong to shoot' is the wordplay.
'wrong' is an anagram indicator.
'to shoot' becomes 'pot' (I've seen this in other clues).
'hes'+'not'='hesnot'
'hesnot' is an anagram of 'onthes'.
'onthes'+'pot'='ON-THE-SPOT'

Can you help me to learn more?

(Other definitions for on the spot that I've seen before include "Snooker balls may be" , "Like a shot" , "Where acne cream applied" , "Apply ointment here" , "Present at an event" .)

I've seen this clue in the Evening Standard.

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