Originally Posted by hondatech
If you don't mind ordering, Try this seller on Ebay
Pretty good prices on bulk purchase. Once the co2 mags and internals for my WE M4 are released, I'm ordering the 10 boxes of 50 from these guys
Might wanna look into this a bit further.. Don't think your allowed to ship compressed gas through the mail..I could be wrong but don't think so.