A picture is circulating on Facebook that many people are mocking because the only AR platform rifles they know are in caliber 5.56mm. The picture is of two youths in Minneapolis sitting on a car. One of them is holding a rifle. He’s muzzling his friend but that’s for another time.
“What do you notice about his magazine?”
What I noticed about his magazine is that it’s an M&P 15-22 .22 rifle with a partially loaded magazine. This fact seems to escape some ‘cognoscenti’ who aren’t as cognizant as they think. The follower isn’t all the way down but it’s not obscured by the magazine well either. There are definitely some ammos in it. It might be a magazine blocked to 10 rounds.
Within their performance envelope, which covers many urban situations, .22 rifles are incredibly lethal. One of my colleagues calls them ‘three step guns.’ After being shot with one, the shootee takes three steps and falls down dead as a hammer. Underestimating their lethality is a grave mistake. I have many incidents in my database of people killed by a single round to the chest from a .22 rifle.
“There is no greater danger than underestimating your opponent.”
― Lao Tzu
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tacticalprofessor 
I have shot a lot of Coyotes with a 22 rifle. Mostly because that’s what I had in my hands when one popped out. That said even when they were hit right, they always run. they make it 10 to 40 yds before they drop. With centerfire a good hit drops them right there.
Dear TP, How does one get a look at your database ;
I have many incidents in my database of people killed by a single round to the chest from a .22 rifle.
Thanks. Bill Davis
It’s stored on my computer. Not in a format that’s readily accessible other than from my keyboard.
As we’ve discussed, every single .22lr rifle shooting I’ve attended has been a homicide. Most of them from a single torso hit.