I once had an airsfoft war at the beach by all these houses. Someone called this places security/police and they came over. While all my friends hid I had to explain that they were airsoft guns and could not actually kill somebody. Lol I showed her the "bullets" and she still didn't understand.
So ya, like others said, just go around and explain to people what you're doing and maybe tell the police.
Ive found you cant use them in public on others property But if you own the land or have permission from the owner to Shoot on their land then its ok
If you don't own the land or have permission then they can take them away etc
Here in NY someone got killed because they did the same thing. (Brought fake guns around the neighborhood.) Hell, only guns i've had were those toy star wars laser guns when i was little.
Good luck though. You SHOULD be allowed if you tell everyone what you're doing.
I'm not entirely sure but in the US I believe it is illegal to have a air soft gun without a orange painted tip, or else it is considered a deadly weapon. Quite a few people have been shot by cops for revealing an airsoft gun or BB gun without a painted tip.
In canada I know for a fact you cant shoot any where Off your own property or you have to have permission to shoot on the property
So if cops come and see you guys And catch you your Guns get taken away + Fine or just something on your record