Clarkson Detectives Senior Sergeant Gary Saunders said detectives stopped a vehicle on Chittering Road in Bullsbrook and allegedly found 107g of methamphetamines, then searched a Carabooda property.
He said they charged a man with possessing meth-amphetamine with intent to sell or supply, possessing amphetamine, possessing cannabis and cannabis seeds.
They also charged him with possession of a prohibited drug, human growth hormone, possessing an unlicensed firearm and possession of stolen or unlawfully obtained property in relation to $6000 cash found by detectives.
The man was also charged with possession of dangerous goods, which were explosives, and he was remanded in custody on November 10.
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He appeared in Joondalup Magistrates Court the following day and was granted bail.
His next court appearance is scheduled for December 17.