I'm using them as 'explosive rounds' in my BSG blaster. I've already tested an intact cartridge, and they're a perfect fit for the launcher. Although it's not a great pic, here is a screencap:
I'll have to do a little modification, or course, but you get the idea.
Some sort of ammo belt is my guess... Damn, it's actually a pretty good idea. I think I'll collect all the ones I have around my house and use them for mine.
Good day everyone!
I actually found this site by googling this question myself...
I am building a fluctuating high-temp centrifuge at my college and need several of those empty Co2 cartridges.
Can anyone help me out? I'll be sure to list you as a contributor to my work!