I hope that I've communicated that I have issues with handguns, not hunting rifles or shotguns. My son and his cousins and friends shoot each other with these - they sting but don't injure, and they MUST wear eye protection. I might have had some concern, had I been consulted, but my wife made the purchase without consultation.

I have no plans to sue. As I said

It was just a very scary situation.

with hindsight and time

(with calm) "Sir, there's no need to address me so harshly. I've explained the situation. I'll come out there and discuss it with you, but we're going to speak civilly so the situation doesn't escalate, because as I've explained, if I'm guessing why you're here, it's a toy gun."

"Officer, you have just entered my house without my permission." (to other cop watching me) "Please observe that I did not give permission."

"Officer, you are acting irresponsibly. This is my house and no crimes have been committed. I am requesting that you leave the premises immediately."

Not to mention putting the gun to his head.

When cops use their position to teach moral authority, it really is an ugly thing to behold.

Nonononono. They did NOT put a gun to his head. Yeller held the Airsoft gun vertically, close to his face. Not pointing at him, and not his real gun.

Yeah. I was concentrating on not inciting any violence. And not shitting my pants.

well, ok but your original post ....my mistake

Good move, you did well in a bad situation. Not suing is also a good move, but I would have a talk with the chief of police. Tell him what happened, from your perspective, and suggest he talk with his officers about their procedures. If he get snotty, then a written letter of complaint to his boss would not be out of order. Nothing is more dangerous than a scared cop.

As other people have said (most succinctly UT) without hindsight or time, you did the best you could.

I don't live in a gun culture (although there are some places in this country where they exist despite being illegal) so I simply could not imagine this kind of scenario.
So perhaps my expected reaction of lying on the floor whimpering is not easily translatable.
But the whole idea of this scenario terrifies me.

Sadly, like others have said, your son has had a useful lesson pounded home in a very frightening way. Happy New year!

Frightening, but memorable. Kid's gonna be a lot smarter from here on out.