Investigators are appealing for public assistance following an aggravated break and enter near Maitland today.
About 5.10am (Saturday 22 December 2018), a man was working inside a licenced premises on West Street, Greta, about 20km north west of Maitland, when four males arrived at the location in a vehicle.
Police have been told three males forced entry, striking the man with a baseball bat before threatening him with a gun.
Several items were stolen including a mobile phone and laptop, before the group fled the scene.
Officers from Hunter Valley Police District attended and established a crime scene.
The injured man was treated at the scene by NSW Ambulance paramedics and taken to Maitland Hospital with non life-threatening injuries.
The males have been described as wearing jumpers, track pants and gloves with their faces covered.
It is believed they may have been driving a dark coloured dual cab utility.
Anyone with information about the incident who may be able to assist with inquiries is urged to contact Crime Stoppers.