A loaded sawn-off shotgun has been found hidden down the side of a child's bed during a search warrant on a property in Dunedin on Monday.
Two pistols were also found in a vehicle.
Otago Coastal relieving area investigations manager acting Det Snr Sgt Dylan Ross told Newshub cannabis, mdma, and drug paraphernalia were also found at the Helensburgh property.
A 31-year-old man faces a raft of charges as a result of the search warrant, he said.