s 37 Causing injury with an arm without lawful excuse
Any person who discharges an arm and injures any person thereby, whether fatally or not, shall, unless he satisfies the court that he had some lawful justification or excuse for causing such injury or that he took all reasonable precautions to ensure that no person was injured by such discharge, on conviction, be liable to imprisonment for a term not exceeding two years, or to a fine not exceeding five thousand ringgit, or to both.