Various sanctions, initially justified because of some gangs/smuggling scandal, but really it's because Norinco is controlled by the PRC and allowing Americans

Various sanctions, initially justified because of some gangs/smuggling scandal, but really it's because Norinco is controlled by the PRC and allowing Americans do to business with Norinco is counter to American strategic interests. And I'm sure it doesn't hurt that such a ban is good for American manufacturers too. You don't hear much from the NRA complaining about this ban.