Just phone the cops to let them know that you will be filming using airsoft. So if someone calls the cops they will know that you are using airsoft. If you are too lazy to do that and would rather save a few mins and put your actors and yourself at risk then thats your problem
YANHCHAN'S AIRSMITHING: AEG repair/Tune up/Upgrades V2/V3 mechboxes, rewiring/reconnecting.
Ask not what your country can do for you; ask what you can do for your country ~John F. Kennedy