Weapons and drugs were seized in Rydalmere after police attended a Victoria Road house following a domestic dispute on March 18.
During their routine inquiries officers from allegedly uncovered a firearm that had been stashed in a garbage bin, and a number of pills (suspected to be MDMA) inside the house.
After a more thorough search officers found a silver handgun, crossbow, two spearguns, a throwing knife, pills and drug paraphernalia, mobile phones, laptops and ledgers and a set of counterfeiting plates for $100 notes.
There were also a number of dogs and snakes kept inside the house.
A 37-year-old man was arrested at the scene and taken to Parramatta police station where he was interviewed and released without charge pending further inquires.
Anyone with information about this incident should call Crime Stoppers, 1800 333 000 or use the Crime Stoppers online reporting page: https://www1.police.nsw.gov.au/.