Sen. Feinstein should be charged under Title 18 U.S.C., Section 242 as soon as any firearms legislation she introduces is signed into law if it willfully deprives any person of a right or privilege protected by the second amendment to the US Constitution or laws of the United States.
The definition of Title 18 U.S.C., Section 242 can be found here:
http://www.justice.gov/crt/about/crm/242fin.php
Her proposed bill "Stopping the spread of deadly assault weapons" can be found here:
http://www.feinstein.senate.gov/public/index.cfm/assault-weapons