Welcome Preppers and Survivalists,
Many centuries ago, only the rich could afford armour to protect themselves.
Fast forward, to today and almost anyone can purchase inexpensive steel plate body armour from vendors such as BulletProofMe.com, AR500.com, and others.
Needless to say, steel plates that will protect you from rifle fire are ... Heavy.
Folks with a little bit more cash might think about getting ceramic plates.
Either way, ...
The Firearms Blog - Is Level IV Unbeatable? Armor, Caliber, and the Problem with Tungsten
This is a blast from the past, 2016. A review of one brand of body armour that you might be interested in reading.
Plus, the review gives you some ideas about ...
All Outdoors - Review: Infidel Body Armor Level IV