WOWSER. I would have lost money on that bet.
I've been a fan of his videos for a while. He has some really cool stuff and I seem to learn something.
I was out looking for the .223/AK video last week, glad it got posted. I'd call that first shot with the AK a failure as it shattered from the tail to the head. The second shot was very interesting in that it started at the head before starting from the tail, too, and the shatter waves met well down the tail. Too bad he didn't try the Mosin.
Definitely good stuff and certainly interesting. I wonder if the soft nose .223 would have made any difference.