A paintball gun might not invoke the federal government to hunt you down; an over-powered laser absolutely will. The FAA has a very low tolerance for that sort of thing. Do not ever, ever, ever use lasers in open air that are capable of damaging the human retina without the appropriate licenses. The last thing cities need right now is another federal agency going on a witchhunt. Firing eye-damaging lasers into the air would just serve them that excuse on a silvered platter.
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A paintball gun might not invoke the federal government to hunt you down; an over-powered laser absolutely will. The FAA has a very low tolerance for that sort of thing. Do not ever, ever, ever use lasers in open air that are capable of damaging the human retina without the appropriate licenses. The last thing cities need right now is another federal agency going on a witchhunt. Firing eye-damaging lasers into the air would just serve them that excuse on a silvered platter.