Can Textbooks Stop Bullets?

I took some old textbooks and did a test to see how many of them it would take to stop a bullet. I started with a 12 gauge and worked my way up through .22lr, 9mm, 45 ACP, 5.56, and 6.5 creedmoor. I actually had a ton of fun making this video.

These books were severely water damaged and stained from being left outside for almost a decade, so they were no good anyways, don't worry. I still wouldn't try to use textbooks as bulletproof body armor, but it seems like 2 of them will stop most pistol rounds!

Let me know if you have any similar ideas you would like to see me do down below!

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