Police are looking for a patched member of the Head Hunters gang and say the man is considered dangerous.
An arrest warrant has been issued for Tony Gabriel-Hutchins, 32 who is wanted for an alleged assault.
Police said Gabriel-Hutchins was a member of the Head Hunters and had strong links throughout Auckland.
He is 182cm tall, solid build and has the words "Heads Up" tattooed on his left forearm and H H - the initials of the gang - on the front of his neck.
"He is known to carry firearms and is considered dangerous so don't approach him," a police spokesperson said.
If you know where Gabriel-Hutchins is, contact Detective Sergeant Goldsmith on 021 191 4015.