The Link Reptilia 100020 offers a smooth integration path for connecting the Magpul Zhukov folding stock to any CZ Scorpion EVO3 S1 firearm. It is worth mentioning that the Magpul Zhukov stock is included in the package. The Link is precision engineered with aircraft grade aluminum and comes with a hard anodized finish for extended durability.This is the perfect option for shooters who aim for the highest usability and durability in their Scorpion platform stock. Proudly made in the USA.