.410s can be loaded with three pellet 000 buck shells. Three 36 caliber balls going 1,000+fps. Danger Man says NO!
As far as birdshot wounds go, two kids I went to school with got shot accidentally. One boy got a 16 gauge to the side of his head at very close range. It fractured his skull and he nearly died. A girl was shot in her right butt cheek with a 12 gauge on Christmas day. I saw the scar a few years after the fact, entire right cheek looked like purple hamburger.
Birdshot can kill people. That said, birdshot is not a good choice for stopping attackers. It simply isn't the right load.