I doubt he would be able to do anything directly, and he has a lot bigger problems to worry about. I do worry a little about indirect means of making owning/shooting guns more difficult, but so far he has shown no inclination to do much of anything relating to guns.
If you build a man a fire, he'll be warm for a day.
If you set a man on fire, he'll be warm for the rest of his life.
... the 20th century has been characterized by three developments of great political importance: The growth of democracy, the growth of corporate power, and the growth of corporate propaganda as a means of protecting corporate power against democracy.
Australian social scientist, quoted by Noam Chomsky in World Orders Old and New
I love it when right wing abuses of the system are used to support right wing attacks on POTENTIAL abuse of the system by others.
I'd say those most willing to beat the 'they is after our 'guns', man the email ramparts!' drum are lobbyists and lawyers of the NRA.
In this day of hyper partisanship and vicious primary campaigns I don't see enough politicians willing to support so sensitive an issue until after the Tea Party dies.
When it comes to Supreme Court Justices the President has to get his nominee past a rather reluctant,(I am being nice), Republican block in the Senate.
Next the Justice's don't always do the political wishes of the President who nominated them. The current Chief Justice comes to mind on Obamacare, the Chief was appointed by BushII.
There is money to be made in What Ifin' this. Fear to be maintained, Party Faithful to be given a bone to gnaw on...
"please continue to donate to the NRA as lobbyists have kids in private school and vacation homes to pay for..."
“The reasonable man adapts himself to the world: the unreasonable one persists to adapt the world to himself.
Therefore all progress depends on the unreasonable man.” ― George Bernard Shaw, Man and Superman