Esstac 5.56 KYWI inserts. esstac's 5.56 KYWI inserts are the original kydex insert for mag pouches. They were designed to replace our bungee flaps in our mag pouches and chest rigs that we have been manufacturing since 2004. Disclaimer: Comes per 1 piece Will these 5.56 KYWI inserts work in other manufacturers equipment? The honest truth we have no idea. We have been told by customers that our 5.56 KYWI inserts work in other manufacturers equipment but we can't tell you which ones they do and don't work in. We do not buy other gear company's equipment and test our inserts in them so we can't tell you what they are going to work or not work in. If you decide to buy our 5.56 KYWI insert to use in a different manufacturers equipment that is your choice.
