This young guy decides to shoot a homemade shell in this shotgun.
This shotgun is lucky to be the only thing that comes apart in this video.
Next time a reloading manual and correct measurements might be in order.
This shooter decided to try a homemade shell that he made in this shotgun, which was obviously was not his brightest moment. The shotgun explodes into pieces. He is lucky to have survived his little experiment.
Do yourself a favor and follow all safety and reloading recipes from a reputable reloading manual. If you do not load your own, shoot only new factory loads.