Nothing new but that they are popular on instagram and toktok now. Drop-in autosears have been around as long as automatic weapons have. You can make your own w

Nothing new but that they are popular on instagram and toktok now. Drop-in autosears have been around as long as automatic weapons have. You can make your own with a bent wire, there is no putting basic mechanical physics back in the box. Perhaps education and social outreach might be effective, because control is not.