If you have any experience with Airsoft, you probably know that CO2 pistols like to leak.

There are two types of leaks: Valve leaks and seal leaks.

If gas is coming out the barrel, that is a valve leak and a lot harder to fix.

If gas is coming out the seal around the tip of the cartridge, that is a seal leak.
This is how to fix seal leaks.

Step 1: Materials

You need:
  • The leaky gun in question
  • Full cartridge
  • Teflon plumbers tape, available at any hardware store that is worth shopping at.
  • Silicone spray lubricant or Paintball marker oil. Do not use any other type of oil, it will freeze and damage the seal even more.
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Trying this now...
I got a gun exactly like this except it is black but when I put a co2 cartridge in it the co2 shoots out where the airsoft bbs go in at. Do you know how to fix this?
Well, I would unscrew the entire valve and clean it. Replace any damaged seals you see and recoat everything with a good coat of Silicone or GBB oil. Don't be too worried to take it apart, there aren't very many parts. <br> <br>To take the valve apart, locate the back of the valve on the magazine. It should be a little metal nubbin coming out of a ring with two notches in it. To unscrew this, you will need to stick something into both of those notches and turn it like a screw. I always use the tips of a pair of cheap scissors. Just unscrew that and take all the pieces out carefully.

About This Instructable




Bio: I am a recent graduate of the Sustainable Manufacturing program at California State University Chico. I currently consult with local businesses and provide freelance design ... More »
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