It looks like carrying what looks like an M-4 while wearing fatigues on a hiking trail might be a crime of disorderly conduct.
If the two women were so upset, they should be the ones who press charges and not the police.
Some years back the police would have just found out the guy isn’t a threat and taken him home to meet the father’s punishment.
If they outlaw paintball wars, then only criminals will have paintball wars!
or something like that