I walked away just thoroughly convinced that he and the president and this whole administration is committed, committed as you can possibly be to help end the scourge of gun violence," he said.
Earlier, Bloomberg said he met with four senators -- Republicans Susan Collins and John McCain and Democrats Mark Kirk and Harry Reid.
"I did walk away thinking that while none of them made a specific commitment...I walked away comfortable that they understand the issue and that they will be there."
"I can't handicap Congress...It's up to Congress. What I care about is results. I don't care about who gets credit."