FOUR people have charged after South West police conducted more search warrants on Thursday.
Operation Countess included police from Busselton, Nannup, Dunsborough, Margaret River, Augusta, Bridgetown and Donnybrook as well as the South West Canine Section.
The search warrants were issued across the Jarrahwood area.
Police seized three hydroponic systems, 80 cannabis plants, 220 grams of cannabis plant material, 200 cannabis seeds and three ecstasy tablets.
There was also a .22 Winchester brand firearm seized which was reported stolen from Collie in 2011.
A 44 and 54-year-old were charged with possessing a prohibited drug and have been referred to a drug diversion process.
A 32-year-old male was charged with cultivating cannabis, possessing a prohibited drug, possessing a prohibited plant and unlawful possession of a firearm.
He will be summonsed to the Busselton Magistrates Court.
A 52-year-old male was charged with possessing a prohibited drug, possessing drug paraphernalia and will be summonsed to Busselton Magistrates Court.
Police said further charges could laid after more investigation into the items seized continue.