Two men have been charged with drug offences after warrants were executed in Kings Park, Albanvale, Deer Park and Altona Meadows on Thursday.
Officers seized a small amount of drugs, including cannabis and amphetamines, and a number of firearms.
A Kings Park man, 58, was charged with trafficking a commercial quantity of a drug of dependence. An Albanvale man, 25, was charged with trafficking a drug of dependence, possession of precursor chemicals and possession of a prohibited firearm.
Both were remanded in custody to appear in Melbourne Magistrates Court on April 4.