Police say they have arrested five people and seized guns and drugs in an operation targeting gang activity across Tāmaki Makaurau.
Several search warrants across Waitematā district were carried out as part of Operation Cobalt.
Police said they found eight firearms, ammunition, a stolen vehicle, about four grams of methamphetamine, just under $10,000 cash and a methamphetamine laboratory with evidence of previous manufacture.
A 46-year-old man has been charged with possession of methamphetamine, and appeared in Waitākere District Court.
A 44-year-old male, who is a patched Head Hunters member, was charged with unlawful possession of a pistol and ammunition and has appeared in Auckland District Court.
A 40-year-old male, who is a patched member of the Rebels MC, a 39-year-old female, who is a Rebels associate, and a 50-year-old male are facing several drug and firearm possession charges.
The 40-year-old male was also faces a charge of theft of a motor vehicle.
All three are due to appear in Waitākere District Court today.
A 35-year-old patched Mongrel Mob member was also charged with burglary in relation to a commercial burglary in June of this year.
He is due to appear in Waitākere District Court on 4 October.
Police said they could not rule out further charges.