Your logic is absurd. No one wants to disarm the police.
The "black market" for guns consists of the gun show types. They do not have to pay the rent on a storefront, and they are responsible for something like 40% of all sales.
Whether or not someone buys a gun from a gun show or from an actual dealer has little to do with their degree of responsibility so long as they do not have a record.
The fact remains that the more guns are in circulation, the greater the chances are that one of them will kill someone who was not even breaking the law.
It is not absurd , it is merely hard for you to understand.
If you had proposed (indeed you did not) disarming all police , I would call your position absurd.
If you had proposed (indeed you do) disarming all responsible and lawabiding citizens ,I am prone to call your position absurd.
You really can't see how much the one is alike to the other, and this is a wonderfull thing.
I cannot observe my own illusions as easily as I can observe your illusions, such a clear illistration is terriffic.
If reduction in Guns percapata really did reduce harm in some absolute way , then reducing the guns the police carry would work.
I don't think it would work out too well to reduce the ablity of the police to shoot, and I do not think it would work out well to reduce the ability of the common man to shoot for exactly the same reasons.