A man has been shot and killed in a home in Melbourne's west in the early hours of Saturday.

Emergency services were called to the Sunshine North home about 12.40am where they found a man with gunshot wounds.

Homicide Squad detectives investigate after a man was found dead with gunshot wounds in Sunshine North. Credit:Daniel Pockett

He was already dead when they arrived at the Oxford Street property.

The man is yet to be formally identified.