Why exactly do we need "national standards"? 29 out of the 50 States had 5 or fewer murders by rifles of all kinds in 2010, 18 of those States had either 1 or 0 murders by rifle:
http://www.fbi.gov/about-us/cjis/ucr...es/10tbl20.xls
We already have the usual suspects in Congress wanting to ban assault rifles nationwide, even though in the vast majority of the country murder by rifle is incredibly rare.