More fun with QB79s ... 12g cartiride adaptor

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Originally Posted by pharoah007

I came across a end cap for the stock pressure tube that had a fill nipple and a PSI gauge in it.
Can one simply pressurize the stock pressure tube with HPA?

What is the safe PSI range inside the stock pressure tube? How much PSI does 2 standard CO2 containers generate?

Thanks.

http://i4.photobucket.com/albums/y14...ps108bb94c.jpg

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Here's a handy little chart for CO2 pressures with temperature changes.

Forget the handy little chart, go with a calculator: http://www.airgunhome.com/pages/calculators.html

-third one down.