I don't know official protocols, but from personal experience as an actor, here are two things that come to mind.
1. Have a permit. You don't want anyone getting shot by the police. An actor friend of mine was in a scene using guns indoors. The shades were open. Nobody had told the police. SWAT team showed up. Dangerous.
2. I suggest offering actors who are going to be shot at the opportunity to explore the gun themselves, looking in the chamber, shooting it, etc., to see that it's really fake and there's no chance of mistaken identity with a real gun.
Please contact me and I will be happy to forward a basic list to follow a"must do" to ensure safety the number one factor with firearms. Just last year a group shot bandido style and a swat team showed up it could have turned very ugly and in the past it has so make sure you tripple check things
If you plan on shooting in Denver (and most counties), you will definately need a handler with a gun permit and on off-duty police officer. I did a shoot a couple years ago in Denver using several real handguns with blanks. When I notified Denver Police of what i was intending, they made these requirements very clear. The cop was about $45 per hour and the gun handler charged a day fee. It was not a hassle at all, in fact, it made things sooo much easier and everyone felt safer. It was all about safety and the cop inspected the weapons along with the handler before we shot every scene.
You can also contact Mark Grove (CASA), he has tons of experience with this.
I would recommend contacting Asgard Entertainment: http://www.asgardentertainment.com/
We have a great assortment of blank only guns and drop weapons. We can rent these to you and give you the help you need or can give you tips on weapons handling.
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