It's just pandering, but to whom, I couldn't tell you.
Probably people who don't know any better. He is talking about doing background checks, which already happens. He's complaining about AK's only being in the hands of our soldiers, while clearly having no idea what that means, unless he's using the media definition of "AK".
It's ignorant and misguided.
I like watching politics in a tennis match sort of way. Unfortunately, like so many things Obama seems to say these days, I think what he gains from this will be far less then what he'll lose.