Back in the good old days before guns were invented, the wonderful era you wish to return, melee warfare was the norm. Those to the manor born were schooled in swordplay and the martial arts from the time they could walk.
Peasants and serfs, of course, were proscribed any such implements lest they exercise them as means to upward mobility in the class system that prevailed.
Like it or not, it was the musketeer's ability to lay low the highest-born king or noble despite his suit of armor, horses, and castle walls that enabled the rise of democracy. You'd still be toiling to thresh wheat with flails were it not for gunpowder and the desire of some blacksmith to drill longer, straighter and more uniform holes.
The desire to build better guns gave rise to the entire machine tool industry and all that it made possible. As young men, Pratt and Whitney worked for Sam Colt making revolvers.
As old men, their vision included
Now, their company works to whiz you from O'hare to Orlando.
So, unless you determine a way to rescind the vilest instincts of the criminal, insane, and inept of your neighbors you will have no choice but to submit to those stronger, younger or more willing to inflict pain. If that's what you want for you, that's fine.
As you are determined to ignore history and human nature just to impose your will on the rest of us to assuage your fears, I decline to limit my choices.