A man murdered in Sydney's west was shot at point blank range as his fiancee sat next to him.

Man gunned down with fiancee by his side

utchered on a western Sydney road was shot at point clear range as his fiancee sat by him. 

The 29-year-old had starting late paid a brief visit to a house in Sydney Street, St Mary's at 7pm on Friday and was coming back to his auto where his fiancee was holding up, Deputy Chief Inspector Grant Taylor told writers on Saturday. 

As he was getting into the auto, two men wearing balaclavas, who specialists recognize are individuals from a criminal bike cluster, pulled up in a silver Holden Commodore and gave him a few times with self-loader hand weapons. 

One shooter made tracks in an opposite direction from the auto and shot the difficulty again at point clear range as he lay in the conduit. 

By then the executioners drove off. 

"They unquestionably anticipated that would ensure this individual was ended," Insp Taylor said. 

"(The fiancee) was, to an extraordinary degree fortunate not to be executed herself. 

"Distinctive shots entered the vehicle she was sitting in and by the slyness of God they missed." 

Police don't trust the difficulty had formal relationship with a criminal bikie assemble yet say he was "unequivocally adjusted" with one. 

His body has not been formally perceived by family so his name is yet to be discharged. 

Specialists need to know whether any individuals from general society saw the silver Holden Commodore strolling in the zone. 

"This vehicle was either lying in hold up and understood that the passed was at this area or the kicked the bucket was taken after from the Lidcombe range," Insp Taylor said.