He said flash suppressors, not sound suppressors. I'm sure you can own a flash suppressor as long as you don't have a threaded barrel and post-ban receiver to build an illegal configuration with.
I wouldn't do it if you own a gun that it "could" be installed on. Just being safe. Also, if you can't have them installed on a gun ... what is the point?
I wouldn't do it if you own a gun that it "could" be installed on. Just being safe. Also, if you can't have them installed on a gun ... what is the point?