Its surprising how much punishment the katana's took. And as for a 9mm bullet being sliced in half ......seeing is believing.
I did a quick check on the velocity of an average 9 mm bullet...
The 9mm (which is offered in a much wider range of bullet weights and styles) is specced at 1150 fps and 340 ft-lbs energy with a 115-grain JHP bullet and 990 fps and 320 ft-lbs energy with heavier 147-grain JHP subsonic loads.
fps (feet per second)..... and I believe that ft-lbs converts into the weight in lbs spread on a square foot area.....340 ft-lbs ....that is some force
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