How to Fix a Leaking Paintball Gun

One of the most common problems you will run into when repairing your paintball gun is CO2 or gas leak. These can cause your gun to misfire and fail to shoot paintballs out of the barrel. This problem is fairly simple to fix and is well worth the investment of time it takes to repair.

Things You'll Need

  • O-ring kit
  • Screwdrivers
  • Allen wrenches
  • Lubricant
  • Gun grease
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Instructions

    • 1

      Take your paintball gun apart by removing all the screws holding it together. Take out all the inner mechanism of the paintball gun.

    • 2

      Remove all of the old O-rings from the inside of the gun as well as the rings from the CO2 tank and your gun barrel.

    • 3

      Put on all of your new O-rings on the inner mechanics of the gun, the barrel, and the CO2 tank.

    • 4

      Clean the barrel and the marker chamber by using a cloth dipped in lubricant.

    • 5

      Put the inner parts of the gun back inside the case and screw it back in place. Test the gun to make sure it is firing properly.