Take a shot (at) (5)
'take a shot at' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for go for that I've seen before include "Attack (someone), decide on (an option)" , "Choose" .)
(Other definitions for snipe that I've seen before include "Wading bird; shoot from concealment" , "Game bird" , "To pick off soldiers, say" , "Perhaps carp" , "Criticise" .)