MTEK 604 Critical Protection Inserts (CPI)- Ultra Thin and Ultra Lightweight, our multicurve 604 CPI are designed to be worn in the existing pockets on your standard issue concealed or nonconcealed vest. The 604 CPI was designed specifically to defeat the most common threats found on today’s streets. The 604 CPI can be worn front or back and is available in just about any size one might need, including: 5x7, 5x8, 6x8, 6x9, 7x9, 7x10, 8x10, & 10x12. The 604 CPI is fully encapsulated in a polyurea coating making them waterproof, super durable, floatable, easy to clean, and virtually maintenance free. As with all MTEK products, the Critical Protection inserts are 100% made in the USA.

**When worn inconjunction with (ICW) NIJ level II or IIIA soft armor the MWS Critical Protection insert is capable of stopping 7.62x39 (NonAP) FMJ Lead Core AND M193 5.56mm.

***Some listed sizes may be discontinued, unavailable, or special order only. If you have a specific size requirement please contact us directly to discuss your needs.

Meets or exceeds the following standards:

NIJ 0101.06 IIIA threats as well as others.