Police have seized 25 guns, including military style semi-automatic firearms and a shotgun, along with methamphetamine and cannabis from a North Shore home.
Officers carried out search warrants at two addresses in Wairau Valley on Friday where they seized "a significant amount of ammunition and more than 50 cannabis plants" at one property, Detective Inspector Kevin McNaughton of the Waitemata CIB said.
"Located at one of the properties were 25 firearms of various calibres, including a large number of prohibited military style semi-automatic firearms, a shotgun and a pistol," he said.
Numerous boxes of ammunition and a quantity of methamphetamine were also found.