I have a question.

Not cylinders under 2 inch diameter in the US.

I often use guns, It requires proper maintenance. 

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Foxairsoft, No information on your link just advertising to your (? ) business. While some airguns do use 480-500cc cf tanks there is no other relation to paintball.

On a rfle in the U.S. no testing of tank required unless your trying to get it filled somewhere - no inspection may or may not be a good idea but-.

Pre-charged airguns simply do not get tested/inspected after sale. Some cylinders ( even say a 1.5" tube) come with expiration dates as it is required for some markets and some competitions, these models pretty much all come with removable cylinders and a 10 year life then replace.





John

Well, i would advise Vatiger 18, if you drop or hit your tank/ cylinder, look it over for dents and impact flaws. Better yet don't drop it 

I am just getting into air gunning and was doing some research on PCPs and I know a carbon fiber air tank is rated for 15 years life span and need to be tested ever 5 years. But want about air cylinders on guns do they have a life span or need to be tested or replaced? Have not heard much about the subject. Thanks for help guys in advance

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The Carbon Fiber "rules" in the US are DOT regulations for commercial use. I don't know of any airgun manufacturers who makes airguns for recreational vs commercial use. However some do put date codes on their cylinders (the UK built ones) and some do recommending replacing them after a certain period of time. Some places (like AOA) will not do work on air cylinders if they are older then a certain age. I would imagine this is due to certain insurance liability issues.

It is for this reason I like using Airguns that use standard sized steel and carbon fiber tanks. They are easy to replace if you feel the need to. When a tank is specific to an individual Airgun or manufacturer there is no garuntee that replacement options will be available 15 years down the line. 

Of course the smaller tanks don’t need tested per say, but that doesn’t mean moisture can’t get trapped inside and corrode it from the inside out.

Please keep in mind that this hasn’t prevented me from buying Airguns that don’t use standard sized cylinders and I am probably in the minorty as this is an overly cautious approach. However 3,000 psi is a lot of pressure.

Take a look at a recent article that HardAir Magazine did on the subject.

https://hardairmagazine.com/reviews/warning-distressing-content-pcp-airgun-corrosion-this-is-what-moisture-does-to-your-air-rifle/