To strike down all Gun Control and Arms laws Federal or otherwise as being Unconstitutional per the simple reading of the Second Amendment.
Here is the exact text of the Second Amendment.
"A well regulated militia being necessary to the security of a free state, the right of the people to keep and bear arms shall not be infringed."
For more information read here:
http://themilwaukeeandwisconsinnews.blogspot.com/2015/02/the-no-bayonet-hunting-law-02-27-2015.html
http://gunsandcontrol.blogspot.com/