He has said he supports the ban on "assault weapons". The man is a liberal and apparently doesn't realize there is no such thing as an "assault weapon". What a dumbass.
As recently as 2013 the man you are defending praised gun-grabbing New York Mayor Michael Bloomberg for his efforts to take America's guns. You can see that here.
Donald Trump Praises Brilliant Mayor Bloomberg For Putting His Money Where His Mouth Is On Guns
Support that if you choose. I'll support a real conservative.