Police have laid drugs and firearms charges against a man and a woman arrested in Kellyville on Thursday.
On the day detectives from The Hills command's Strike Force Winbow searched a home in Chalet Road.
They allegedly found methamphetamine, ketamine and a modified 303 rifle and ammunition.
The man, 22, was charged with possessing a prohibited drug and three firearms offences.
He appears in Parramatta Local Court this Wednesday.
The woman, 21, was issued a field court attendance notice for possessing a prohibited drug and appears in Parramatta Local Court on August 13.