Tranquilizer Dart Machine guns used in The Incredible Hulk

[flamaest]

Hi All,

Does anybody know about or have any information about the Tranquilizer Dart Machine guns used in the Movie The Incredible Hulk, with Tim Roth?

I am trying to get information and pictures about the Machine guns

Here are the Darts the guns used in the film:

INCREDIBLE HULK Tranquilizer Dart
http://tinyurl.com/ygphqtn

Thanks,
Fabian.