I will leave America upset by shooting equipment (6)
I believe the answer is:
camera
'equipment' is the definition.
(camera is a kind of equipment)
'i will leave america upset by shooting' is the wordplay.
I cannot really see how this works, but
'i' could be 'me' and 'me' is located in the answer.
'america' could be 'a' (common abbreviation - e.g. in organisation names) and 'a' is present in the answer.
This may be the basis of clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for camera that I've seen before include "Apparatus for taking pictures" , "Brownie possibly" , "In which people privately discuss" , "Photographic device" , "In - means in private" .)