Tank size question

[c2l1k]

what is the smallest ci tank w/ 4,500 psi?

also: what is the smallest CO2 tank, and where can i get one?

Thanks
-Chris

[trevorjk]

smallest co2 tank is a 4 once or you can get those cartridges as far as 45k tanks im almost positive is a 45/45

[speeddemon]

There is smaller than 45/45, although they aren't common. Do a search, I remember seing it here a little while ago.

[c2l1k]

thanks for the info guys.. those are the answers i thought were right, i just needed someone else to verify them.
-Chris

[Matt_mg]

I found some 3.5 ounce tanks the other day... It's a shop from canada though