A Harrington Park has been charged for his role in an alleged kidnapping incident in 2017.
The State Crime Command's Drug and Firearms Squad established Strike Force Moppity to investigate the kidnapping and assault of a man, then aged 30, at a Glendenning unit on August 20, 2017.
Officers set up a crime scene and executed a search warrant at the unit the following day.
They found 27 firearms in a vehicle and seized 24 kilograms of methylamphetamine.
The firearms - including 21 handguns - were seized for forensic examination.
Two men - aged 37 and 30 - were charged in August 2018. They remain before the courts.
man has been charged with allegedly possessing an unregistered pistol following an investigation into an alleged kidnapping in Sydney's west in 2017.
Following inquiries, officers executed crime scene and search warrants at the unit on Monday 21 August 2017.
During the search, they located 27 firearms in a vehicle and seized 24kg of methylamphetamine.
The firearms, including 21 handguns, were seized for forensic examination.
Two men - aged 37 and 30 - were charged last August and they remain before the courts.
Strike Force Moppity detectives, with the assistance of the Strike Force Raptor Highway Patrol, arrested a 36-year-old man at a Harrington Park home about 9.30am today (Wednesday, April 17).
A firearms prohibition order search was conducted at the Harrington Park home, with detectives seizing $21,000 cash.
The man was charged with possessing an unregistered pistol.
He was refused bail to appear at Campbelltown local court today (April 17).
Strike Force Moppity investigations continue.