Two men have been charged with drugs and weapons offences after a vehicle stop sparked search warrants at Canley Vale, Wetherill Park, and Fairfield West on Friday and Saturday.
About 8pm, officers from Police Transport Command stopped a Toyota Yaris in Canley Vale.
Officers spoke to the driver, a 41-year-old man, and during a subsequent search of the vehicle, officers located a full-face respirator, methamphetamine and cash.
A second man approached officers and during a subsequent search of his Nissan Cube, officers seizing methamphetamine, MDMA, cocaine, laser pointers, a flick knife and 9 kilograms of caustic soda.
The 34-year-old man was also searched, with officers allegedly locating cash and a credit card knife.
Both men were arrested and taken to Fairfield Police Station.
Following further inquiries, officers executed search warrants at a storage facility at Wetherill Park and a home on Palmerston Road, Fairfield West on Saturday.
Chemicals were seized at the storage facility and will be forensically examined.
At the home, officers seized three tasers, two firearms, ammunition, a baton, methyl-amphetamine, MDMA, GBL, heroin, cannabis, suboxone strips, and other prescribed medications.
The older man was charged with supplying an indictable quantity of a prohibited drug and dealing with proceeds of crime
He appeared at Parramatta Bail Court on Saturday and was granted conditional bail to appear at Fairfield Local Court on Monday, May 20.
The younger man was charged with two counts of supplying an indictable quantity of a prohibited drug, dealing with property proceeds of crime, two counts of possessing a prohibited weapon and possessing a prohibited drug.
He appeared at Parramatta Bail Court on Saturday and was refused bail to appear at Fairfield Local Court on Wednesday, May 15.