This video takes a look at the level 3 and level 3A body armor backpacks from Prot3k. Testing consisted of 9mm, 45 acp, .223, 5.56, .308, 6.5 Creedmoor and 7.62x39. Very affordable and easy to carry. Link Below
Prot3k Website
https://www.prot3kbags.com