A man has been carjacked at gunpoint in Sydney’s south-west overnight.

After 11:30pm last night, a 29-year-old man was driving in Bossley Park and was approached at an intersection by 2 men.

Police say two men approached the car, and a gun was drawn on the driver when he refused to get out.

One of the men has been described as being of Caucasian appearance, 170-175cm tall, thin build, brown short hair, and wearing an earring.

The second man is also Caucasian and 170-175cm tall with a slim build.

Investigators are keen to speak to anyone with dashcam footage.

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