All that proves is it will dent metal at close range, says nothing to penetration or bullet quality. My point is that for that kind of money there are much better options on the AR platform than a .410, especially in the U.S. . Maybe you guys have better .410 ammo than we do, but ours is pretty limited, crappy and expensive. It's not a very highly regarded cartridge here.

I just can't see anyone paying that kind of money to shoot a soft lead under powered bullet from a smooth bore gun when there are better options that would be more accurate and cost less to shoot from the same platform.

You can argue it all you want but I don't know anyone that is going to make a .410 their go to defense gun, let alone a tactical weapon.

Paul