>>5724894 lb

The article is unadulterated take-your-guns horseshit. Unless he was using hollow point bullets, the bullets make needle holes. It has to do with twist rate on the barrel rifling. Typical AR-15 barrels have a high twist rate so they are accurate at longer distances, and so the rounds are very stable going through soft tissue.

Read

//www.ballisticstudies.com/Knowledgebase/.223+Remington.html

In >>5725436 the guy is talking about (probably) hollow point handgun rounds.

>>5725887 is correct.

Those rounds, if not hollow point, make very slender wound channels. Only if you pierce the lungs or throat, maybe stomach, would substantial blood come out.

FMJ is generally prohibited for hunting for this reason. You only stop the animal if you manage to hit the heart, neck artery, or brain.