Texas

The idea that .223 bullets “tumble” any more or any less than other bullets is simply an old wives tale. They don’t tumble.

They do, however, make massive wounds that can cause severe damage. It’s from the energy, not the tumble.

History of the false notion that .223 (5.56mm) bullets “tumble”

https://www.quora.com/How-did-the-rumor-start-about-the-5-56-mm-rifle-bullet-tumbling-through-the-air-If-it-tumbled-how-could-it-be-accurate-I-believe-the-M-16-variants-are-effective-to-550-yards-with-a-tumbling-bullet