This Valor Standard Level IV Ceramic Hard Plate stops even high-powered rifle shots while reducing weight for more comfortable wear. PE/ceramic composite provides dependable strength, without adding an extra ounce to your body load. Compliant with Level IV NIJ 0101.06 standards, and capable of stopping a rifle round up to 30 cal. steel core. Independently tested to Level IV NIJ 0101.06 standards Tested to stop up to .30 cal steel core armor-piercing rifle ammunition Flexible rims on edges for increased comfort and mobility Shooter's cut for use with rifle stock PE/Ceramic composite reduces weight Multi-curve design fits most body curves