CCTV footage has been released of a terrifying armed robbery at a fast food outlet in Sydney’s west.

Just before 6.30pm last Tuesday, a man armed with a handgun walked into the Subway store on Garling Road at Kings Park.

He stormed into the back of the shop and pointed his gun at two male staff members before demanding they open the cash register.

He grabbed the money and the fled the scene without hurting either of the employees.

Detectives have now released CCTV footage of the robber as the search for the brazen thief.

He’s described as Caucasian, about 185cm tall, with a medium build.

He was wearing a black hoodie, black pants and white sneakers.

Anyone with information is urged to call Crime Stoppers on 1800 333 000