A hop up is used in the majority of airsoft guns in the market today and can determine how accurate and strong the projectile ejects out. The all new Maple Leaf Hot Shot hop up which features a high quality pressure seal reducing power loss and stabilizing the BB trajectory. Maple Leaf are a well known brand from Taiwan for making quality upgrade parts for airsoft guns. Designed specially for GHK AK / 553 GBB airsoft guns, please refrain from installing it onto none compatible platforms.
Disclaimer: All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.