www.g2rammo.com (Link not currently working. Hopefully Jesus intervened)
R.I.P.!!! "Radically Invasive Projectile"
I don't think their website & promo vids could be any cheesier unless their bullets were "CNC'd" out of cheese.
Here's their YouTube videos: https://www.youtube.com/watch?v=skFhKtCo5aE
https://www.youtube.com/watch?v=mJGH7cDFw7c
Oh damn..... R.I.P. vs a colored balloon: https://www.youtube.com/watch?v=dAdQa7c4d9Q