Yes, we do this at home and I’d like to get the boys to an event like this. They want black powder and I’ve promised them kits in 2-3 years. Still remember making mine back in junior high or high school—a 50 cal. Thompson Renegade.
That is what needs to be taught, how to make a rifle from dam near the most primitive of parts available, this is even after ammo, scopes, primers, milling instructions are made out to be illegal.
Go right back to making Brown Bess muskets.