All depends on the scenario. I thing the original question was a mob of some kind.
Yes Afghanistan 2001 to 2002 and later Iraq. I feel back then the Taliban were much better fighters then a mob of angry Americans. Will it work anywhere? It depends on how much area you have to cover. 4 sides of...
You need overwhelming fire power. You need to hit them with everything you have quickly. There may only be two of you but you can make it seem like 10 or more. You put up a wall of lead and start dropping bodies your mob will run.
Tactical reloads with a vz58. Just found this group. They seem to have some good fighting styles and strong team building. Take a look.
https://www.youtube.com/watch?v=LQrOVY8ufvw
SharpShooter USA runs some course for beginners, but its $$$. They do have an ar15 class from time to time, but I think its once a month for about 4hrs. It would be about a 20min drive for them.