That's why they sell Armor Plates.
Level IV SA rifle plate constructed of Ceramic/Composite material. NIJ 2005 IR Certified to stop level IV threats. Fits into the rifle plate pocket of your plate carrier, tactical entry vest, or compatible overt body armor carrier.
Ballistic Rounds Tested
7.62x39mm M67 (FMJ Ball)
7.62x39mm M43 (MSC)
7.62x39mm API
7.62x51mm (M-80 Ball)
7.62x51mm (M61 AP)
7.62x54R (LPS)
7.62x54R B-32-API
5.56x45mm (M193 Ball)
5.56x45mm (M855/ SS109)
7.62x63mm - JSP