The police have arrested the man wanted in relation to the theft of two police-issue Glocks from a patrol car in Gore - but one of the guns is still missing.
They say the hand-guns were taken from a police car yesterday after officers left the keys in the car and it was briefly stolen.
Hori Gemmell was arrested late on Friday and is in custody in Gore.
Superintendent Paul Basham addressed media outside the Gore police station a short time ago.
He says some of the missing ammunition has also been recovered but he could not say whether any bullets had been used.
He urged anyone with information about the missing gun to come forward to the police.