There are non refillable, disposable cartridges that range from the standard 12 grams to 4 oz. There are also small refillable 45 butt stock tanks and other small and long tanks like it. After 4 oz, a tank must be fitted with a "burst disk" which allows it to bleed out if over pressurized.
Any refillable tank over 2 inches in diameter needs to be hydro-tested every five years.
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if its a CO2 tank then typically yes, however they usually charge more and will not fill your tank correctly. I have heard of people coming out of sporting goods stores with only a half full tank because the people filling dont really know what they are doing