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MTek Weapon Systems – Critical Protection Inserts


Thin and lightweight, MTek’s Critical Protection Inserts are designed to be worn in any standard armor vest, offering NIJ Level IIIA protection. The CPI is encapsulated in a polyurea coating, which makes them waterproof, durable, floatable, and easy to clean. Most impressively, when worn in conjunction with NIJ Level IIA or IIIA soft armor, the CPI is capable of offering limited rifle round protection, stopping both 7.62×39 lead-core FMJ and 55gr M193 5.56.


Available in the following sizes: 5×7, 5×8, 6×8, 6×9, 7×9, 7×10, 8×10, and 10×12. Made in the USA.


8 Responses to “MTek Weapon Systems – Critical Protection Inserts”

  1. Zach says:

    Which would be the best size to equal a medium ESAPI?

  2. Explosive Hazard says:

    no 6×6, thats too bad. Besides that they do have a good amount of sizes.

  3. Casey says:

    I’m guessing these won’t stop the readily available M855. I know, pick the right armor for your threat level, but if you’re worried about rifle fire in most CONUS locations, shouldn’t you be worried about M855?

    • PETE says:

      Legit concern, but we are talking about supplemental armor that works in a concealed carrier and weighs two pounds. There is a place