I've been watching cop shows, and I see many accessories for the guns used in the shows. I'm wondering what is illegal to own in reality? Silencers Laser guides/pointers attached on the barrel 2 magazines taped so the loading ends are on opposite sides Bullets tainted with drugs such as sleepers Night vision scopes/equipment The funny thing is the bad guys don't get busted for having those accessories on the shows. But I can't believe it is legal to own in real life?? I'm wondering what is illegal to own in all 50 states besides fully auto? Are any of the items listed above illegal?