At about 7am on Thursday, Lake Macquarie Police District Target Action Group officers attended a home on Newport Road, Cooranbong, and spoke with a 55-year-old man.

During a search of the home, police allegedly located and seized a pistol, ammunition and methylamphetamine.

Police said the search was suspended, and police applied for and executed a search warrant later in the day, where officers located and seized a vehicle, a motorbike, NSW Police insignia, knuckle dusters, a baton and homemade weapons.

Later in the morning, officers executed a second search warrant at a home on Bushells Ridge Road, Wyee, where police located and seized further prohibited weapons, ammunition, drug paraphernalia and vehicles believed to be stolen.

The man was arrested and taken to Toronto Police Station and charged with nine offences, including possess prohibited weapon, supply prohibited drug, unauthorised handle explosives, possess ammunition without permit and breach weapons prohibited order.

He was refused bail to face Toronto Local Court on Thursday, where he was refused bail again to face the same court on Tuesday, February 4.

Further charges are expected to be laid, police said.