Firearms last decades, most of those 300 million firearms are unregistered (indeed the number could be far higher), so there isn't really a feasible way to get rid of even half of them.
Guns last decades to centuries, the underground manufacturers only have to make enough to keep up with criminal population growth to keep the criminals just as supplied with guns as they are today.
It might actually be worse because many of the law abiding citizens who previously left their guns sitting in the basement will be willing to sell on the black market with gun prices rising.
Guns last decades to centuries, the underground manufacturers only have to make enough to keep up with criminal population growth to keep the criminals just as supplied with guns as they are today.
It might actually be worse because many of the law abiding citizens who previously left their guns sitting in the basement will be willing to sell on the black market with gun prices rising.