I want to buy an Inokatsu M1911A1. The problem is, I'm not using that C02 magazine. It is ugly, and I hate that bell-end it has in the bottom. I would much rather use a green gas magazine, but I believe I need something a lot more powerful in it than Green Gas/Propane. So, my only choice is this type of refrigerant called R410a. I guess Propane could work, but I have not heard anything outstanding about running it in an all-steel GBB pistol. This R410a stuff is about double the PSI of Propane. The issue here, is how I would buy a tank of it: https://www.amazon.com/R410a-Refrig...?ie=UTF8&qid=1469065170&sr=8-1&keywords=r410a Once I buy a tank, I would need to fill a C02 tank with it - ideally something between 500-600 millilitres in capacity. What would I need in adapters, hosing, etc. to do this? Also, when I do have this figured out, how would I do it without blowing myself up? If someone could give me a list of parts I would need to fill a C02 or Propane tank with R410a gas from a big tank, I would appreciate it a tonne!