Australia's uniform national gun laws were framed in the grim shadows and national grief of the 1996 Port Arthur massacre in Tasmania, in which 35 people were shot dead and 23 wounded.

The National Firearms Agreement has since been held up as a model for firearms control around the world.

But historian, academic and Anglican bishop Tom Frame argues the agreement is outdated and hasn't made Australia safer.

In his new book Gun Control, the UNSW professor sets out the case of a new national gun agreement.

Guest: Professor Tom Frame, University of New South Wales, and author, Gun Control

Producer: Gregg Borschmann