You can put it on the threads, just keep the oil away from the fill nipple/air intake.keep the oil as far away from your new air bottle as possible if you have never used hpa before you must Not have oil in or on the hpa bottle if it gets inside then bang.....big style
Some guns, Eg Vibe, need you to, but not the A5 I don't think.hpa do i just change bottles or is there something i have to change in marker 1st?
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