Leatherback Civilian One Level III Bulletproof Backpack

  

Armor rated at level IIIA will protect the wearer against nearly all handgun rounds up to. 44 magnum, including 9mm submachine gun rounds, and even 12-gauge shotgun slugs.

To be rated level IIIA, armor must protect the wearer from. 44 magnum with a mass of 240 grains and a velocity of 1340 ft.