McRobert wrote:
For more than a year now I have been running my Fusion II on Hpa with a tank converted from a 4500 Psi 8 inch long filter.
https://www.airgunforum.ca/forums/topic91365.html?hilit=%20Fusion I found on AEx a new tank close to what I had made but with a fill port and end gauge. The other end is machined with a 18m thread. The old tank is the top one.
Attachment:
HPA Con (Medium).jpg
I was able to remove both the fill foster and the Gauge and plug them with flush mount NPT plugs. The reg is my 4500 psi reg from my gauntlet tank. The gun has been pressurized for a couple of weeks now, without loss, so I am calling this a success. The part is no longer available, but here is the link.
https://www.aliexpress.com/item/1005005645053494.html?spm=a2g0o.order_list.order_list_main.63.30501802I23tnvI missed your original post back in 2022
Good work! I also prefer HPA to CO2 but generally end up making a tethered setup, this type of conversion looks very suitable for QB78 and possibly 22xx types - some adapter blocks would be needed for the air tube connection.
Your version 2 I can see the advantage is that you don't need to modify the stock; but I imagine the old and new would function basically the same. I have had generally good luck with parts from AX and in recent times shipping speed has been very good, less than 2 weeks delivery on most items.
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