Drones make modern warfare faggy, but at least active defense systems are kino. Soviets invented the first and, of course, it used to kill more soldiers than the enemy's AT attacks, but it saved the soviet equipment kek
Manufacturing of firearm components is now so easy with consumer grade 3D printing, mills, lathes, etc that gun control is simply not logistically possible.
It was already easy enough to produce a firearm with access to a lathe or mill, but with the advent of consumer grade 3D printing, the viability to make all sorts of parts at home is inarguable at this point.