He is not speaking the truth. A ban (or a restriction which is effectively a ban) on ammunition is just as unconstitutional as a ban (or a restriction which is effectively a ban) on firearms since it renders the firearm useless.
In your spare time, try reading up on the McDonald v. Chicago and D.C. v. Heller decisions instead of rotting your brain with inane stand-up routines.
. . . uh, it’s comedy, lossen your corset laces, you ain’t breathing enough . .
http://www.youtube.com/watch?v=ewRdf9GWuSo&feature=related