Three people have been arrested and large amounts of drugs and money have been seized following a series of police raids across the country.
The two-month police investigation targeting a methamphetamine manufacturer with a network spread across the length of the country also ended in the seizure of eight firearms.
Police executed search warrants in Northland, Auckland, Waikato and Queenstown, leading to the arrest of two men, both 51, and a woman, 37.
More than two kilograms of methamphetamine was found along with quantities of LSD, Heroin, Cocaine and MDMA.