General Preparation for painting

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You will want to clean your marker as best you can to remove all dirt and oil (include finger oils.)
Dirt and oil will interfere with paint adhesion.

Cleaning

Dissassemble your maker, then using latex gloves clean your weapon. The gloves will protect your digits from the cleaners and also keep you from depositing oils on the soon to be painted weapon.

Decide whether or not you want to strip the paint off of your old marker. M.E.K or Jasco paintstripper will peel it all off. Alternatively you can have your parts sandblasted/beadblasted by a local machine shop or paintshop.

When working with chemicals of any sort, its generally a good idea to test it on a small surface (Say the bottom of your marker) to see how it reacts. Same with your hopper. I had no problems with M.E.K on my Model-98 but when I applied it to an OpsGear handguard on my A5 is tried to melt the plastic.

Rinse it with water and wiped down with alcohol.

CAUTION
MEK and paint strippers are nasty chemicals to work with. utilize proper protective equipment and procedures.
Gloves, Paint respirator and work in a well ventilated area. DO NOT TAKE CHANCES WITH YOUR HEALTH!

Paintball Marker Painting Preparation
Here you can see that I sandblasted my A5

Feel free to me if you have any questions.

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