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How do i clean the battery acid off the gun

Use Baking Soda and a Q-Tip or old toothbrush. For very heavy deposits, make a paste of the soda and a little water. Will also clean your teeth if mixed with lemon juice. Soda is a base and neutralizes acid. Here’s a video on doing it: https://www.youtube.com/watch?v=_CHzy7Xg

Brandyn Schmolzi  no battery acid with Alkaline battery :-). To remove the powdery alkaline substance , clean it with some cotton swabs dipped in vinegar.