the ion can work on both hp and lp and adjustable, some markers such as angels can have problems with hp but IONs run on it fine, in fact personally I would recommend itManic Monk said:slight side note i know but this seems like the best place for it. Ions high or low pressure air? or dont it matter?
This is for a number of reasons, the two main ones being you will have less shoot down to do with the hp reg, and hp bottles can be used on most guns other than some such as angels but not all guns can run on lp (eg mechs)
The best bottle I can recommend is a 5000 psi, 1.1 litre hp for an ION, 5000 psi is better imo just in case you get a flash fill or the air heats up increasing the pressure above the 4500 you can fill it to, a 1.1 is also better for me personally since they can hold a lot more than a 0.8 and are about the right size for most people if used with a normal rail or mini drop. The other main thing is you should make sure you get a fibre wrapped bottle since these are a lot lighter than the steel alternatives
Cross fire or pmi tanks will both serve you will, as I said I have a 1.1 litre 5000psi and hp, or an decent adjustable reg such as a max flow or angel air, but these do cost more
If there is anything else I could help you with feel free to ask me
-Mat,
yeah i know its a long post its just copied and pasted from one i made eariler