Yes, grenade launchers are controlled, though most of the RKBA crowd believes they should not be in any way. But, I don't see Rudy wanting my handguns, or my rifle; at least that's what he says. As for the other candidates on the GOP side, I would guess they all support "reasonable limitations". Also, I would guess the assault weapons ban will be passed and signed long before a President Rudy takes office.
"But, I don't see Rudy wanting my handguns, or my rifle; at least that's what he says."
Then you may have a problem with reading comprehension.