[KYhillbilly]

I need a O-ring for my HPA tank. I just got the tank used and dont have a clue what size. Which place would be most likely to have one if any.

Thanks

[suitman]

I'd say any field would have that for you.

[STRIP3S]

Or, if you need a lot of orings... order them from Oring Monkey. They have any size (for tanks, guns, regs, etc).