Yes, if you are in Arizona and interested in purchasing a firearm suppressor (commonly referred to as a "silencer"), you can visit a licensed dealer...
BTW I got the distinct impression that the guy who runs Beretta's production is a Super Fudd and sort of torpedoed the ARX because it was complicated...
It holds up pretty well to handgun rounds. I took a pic this past Saturday of the one that was shot at. These are .45 ACP dents. They shot the other...