A Vasse man remains in custody after Busselton detectives raided a home on Red Gum Way last Thursday.
The 47-year old man was charged by detectives and appeared in the Bunbury Magistrates Court on Friday, he was refused bail and is due to reappear on May 24.
Busselton detectives allegedly found a gun and ammunition, a large stash of money and large quantities of numerous drugs.
More than $40,000 cash, 158 grams of methamphetamine, 1.75 kilograms of cannabis, other drugs and paraphernalia were found at the home.
Detectives also discovered one gram of dimethyltryptamine, 28 oxycodone tablets and cannabis oil at the property.
A women who was at the house during the raid was also charged and has been summonsed to appear in court.