Contact or join your local SCA group. They may be anachronists as opposed to anarchists, but if you want to learn how make and use weapons and armor of that sort there are few more accessible teachers and trainers.

One of them made large amounts of basic body armor from heavy gauge plastic barrels for use by protesters a few years back. They may not stop bullets, but they are very_ effective versus “non-lethal” rounds and similar.

And yes, the person did get a visit from the FBI, who let the person keep on making as they weren’t working on weapons of any sort. Just the armor.

The US already has died as a global superpower. Only it’s military keeps it going.

But… Are they wrong? Have you run for a public office, volunteered for a political cause, or done anything besides talk?