Shortly before 9.30pm, a man wearing dark clothing and armed with a gun threatened a male employee at the store in Noble Avenue and demanded cash, before fleeing the scene on an orange, black and white coloured trail bike.
A crime scene was established and police are investigating.
Anyone with information or dashcam footage from Noble Avenue or Greenacre Road between 9pm and 9.45pm is urged to contact police or Crime Stoppers on 1800 333 000.
