Buddy bottle or air tank

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   I'm looking for a buddy bottle about .5 litre to maybe 1 litre size. Don't mind if aluminium or carbon wrapped, etc.
Just for a top up now and then at the range when pellet testing (at present I lug along my Hill Evo-310 and it's a heavy wee bugger). 
Would look at a bigger tank for the right price too.
Otherwise I have to go shopping at Ali.
Thanks.

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Grey Kiwi Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 09 Jan 2022 Location: Richmond Status: Offline Posts: 78	Post Options Post Reply Quote Grey Kiwi Report Post Thanks(0) Quote Reply Topic: Buddy bottle or air tank Posted: 28 Dec 2025 at 7:24am
	I'm looking for a buddy bottle about .5 litre to maybe 1 litre size. Don't mind if aluminium or carbon wrapped, etc. Just for a top up now and then at the range when pellet testing (at present I lug along my Hill Evo-310 and it's a heavy wee bugger). Would look at a bigger tank for the right price too. Otherwise I have to go shopping at Ali. Thanks.

metallicsting Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 15 Aug 2025 Location: Wellington Status: Offline Posts: 27	Post Options Post Reply Quote metallicsting Report Post Thanks(0) Quote Reply Posted: 07 Feb 2026 at 9:45pm
	I could only find this one at AliExpress. Might pay to get it tested thoroughly if you get it though. I just found this on AliExpress down from $95 to $65.70 https://a.aliexpress.com/_mOT0Kd7

Grey Kiwi Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 09 Jan 2022 Location: Richmond Status: Offline Posts: 78	Post Options Post Reply Quote Grey Kiwi Report Post Thanks(0) Quote Reply Posted: 08 Feb 2026 at 2:04pm
	Thanks for that but the valve system is no good for me. It only outputs 2000psi. So I'd need to factor in a better valve setup. But otherwise, yes...for that price I could just buy 2 of those for a total of 1 litre which would give me about 2 or 3 top ups.

metallicsting Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 15 Aug 2025 Location: Wellington Status: Offline Posts: 27	Post Options Post Reply Quote metallicsting Report Post Thanks(0) Quote Reply Posted: 08 Feb 2026 at 9:20pm
	The dive shop near me sells these. But no valve. They are 300bar. No idea what it would cost to get it going but it’s 3 litres so getting lighter. https://diveski.co.nz/product/17-3L-Steel-Tank-no-valve

JasonEdward Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 22 Sep 2024 Location: Waihi Status: Offline Posts: 196	Post Options Post Reply Quote JasonEdward Report Post Thanks(1) Quote Reply Posted: 10 Feb 2026 at 11:00am
	If anyone is after standard dive tank valves i have 2, maybe 3 dive tank valves with tanks written off after 45 years of use due to the U.S. deciding a tiny tiny proportion of them were unsafe - the Luxfer problem. Anyway, I think the valves should be easily removed if anyone wants one...

metallicsting Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 15 Aug 2025 Location: Wellington Status: Offline Posts: 27	Post Options Post Reply Quote metallicsting Report Post Thanks(0) Quote Reply Posted: 14 hours 35 minutes ago at 10:25pm
	Did you ever end up finding a tank? Bloody hard to find them these days. I believe Shoot Air Tanks company has gone under. Gun city said they can't get hold of them anymore. Gun City also advised they are currenty trying to import their own range of dive tanks but the Air police are making it hard. Will prob take years for it all to be approved
	FX Impact M4 .22 Cal Ruger 22LR

Grey Kiwi Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 09 Jan 2022 Location: Richmond Status: Offline Posts: 78	Post Options Post Reply Quote Grey Kiwi Report Post Thanks(0) Quote Reply Posted: 2 hours 60 minutes ago at 10:00am
	No, haven't yet. I did see the paint ball shop having a sale a while ago. https://www.paintballshop.co.nz/collections/co2-and-hpa But could still get a tank from Ali cheaper. What I have done is play with the regulator on the 9015. Strip and clean, new O rings, etc...and assemble the Belleville washers in the correct sequence again. Now I'm using less air and still getting the right velocity (~800fps). Haven't shot it right down in air (and don't intend to) but 50 shots is easy without worry about how much air remaining. Probably OK for ~80 shots before getting down to 100bar (which is where I stop at).