“My staff is working on looking at the different legislation fixes that we might be able to do and we might be able to introduce as early as tomorrow,” McCarthy told POLITICO in a Sunday afternoon phone interview.

Gun control activists cried it was time to reform weapons laws in the United States, almost immediately after a gunman killed six and injured 14 more, including Rep. Gabrielle Giffords in Arizona on Saturday.

Many said that people with a history of mentally instability, like the alleged shooter, 22-year-old Jared Lee Loughner, should not be able to buy a gun — and no one should be able to buy stockpiles of ammunition.