The federal government's ambitious plan for universal gun reform has hit a major snag.After announcing Australia's biggest gun buyback scheme in 30 years in the aftermath of the Bondi Beach terror attack on December 14, the government has failed to unite all Australian states and territories before the March deadline.The scheme was expected to lead to the seizure and destruction of hundreds of thousands of "surplus, newly banned and illegal" firearms.NATIONAL: Fugitive Dezi Freeman 'shot up to 20 times' during