"So now I have a tank that’s filled to probably around 4400psi" I'm ASSUMING you mean BOTTLE (or air tube). A TANK is a SCUBA or SCBA. BOTTLE is what's on your gun. Nomenclature can have an effect on the answers one gets 
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"So now I have a tank that’s filled to probably around 4400psi" I'm ASSUMING you mean BOTTLE (or air tube). A TANK is a SCUBA or SCBA. BOTTLE is what's on your gun. Nomenclature can have an effect on the answers one gets![]()
Thanks brother I de gassed it no problem and it's off to the pellet shop tomorrow for a quick warranty fixA tip for loosening gauges.. check the various spark plug wrenches that came with your chainsaws, mowers and the like. I found one that fits these mini gauges and I keep it on my airgun workbench.