1.25 Kilojoule coilgun, I'm in love.

[Twitchin Kitten]

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I don't see this has having more 'oomph' than a .45 bullet. It certainly looks more complicated than a gun too. That projectile bounces off the cardboard backstop after going through the items where a bullet would keep going and lodge behind whatever that cardboard is up against.

Now, I too wouldn't want to be hit with that thing but I'm with Barb, hit a chunk of meat with the bone still in it and see what happens.