The government remains divided over the second tranche of gun reforms and New Zealand First leader Winston Peters can't say when agreement might be reached.
That means any hope Labour had of passing legislation in time for the March 15 one year anniversary is now lost.
While there was near unanimous support for the banning of certain weapons and parts in the immediate aftermath of the Christchurch mosque attacks, there is increasing divisions between parties - including the coalition partners - on what shape the latest changes should take.
RNZ political reporter Jo Moir has the story.
