TacticalXmen Level III rifle rated hard armor plates are independently tested to NIJ protocol 0101.06. Designed with a single-curve profile to provide an ergonomic and comfortable fitting armor system that is intended to wear against your body all day. Tested at muzzle velocities which are listed in the ‘threat profile’ table below and describes the rated ammunition this armor system will defeat. The UTA Level III Armor  is engineered with the highest grade of 90 layers ballistic materials ultra-high molecular weight polyethylene (UHMWPE) bound with 6mm SiC(ceramic) chip  to make it a hard stand-alone armor system.Standard 10X12" size means this armor can be inserted into most plate carrier in the market.

NIJ 0101.06 Armor Protection Levels; Level III Tested to stop 7.62mm FMJ lead core rife ammunition; Boron Carbide Ceramic & UHMWPE; 4Lbs Per Plate; 0.82 Inch Thick; 10”x12” ESAPI; 5 years Guaranteed

TacticalXmen level IV ceramic body armor plate: 

https://www.tacticalxmen.com/Level-III-Hard-Armor-c115954.html