WYSHTECH Airsoft goes into the innards of the Golden Eagle SR25 AEG to see their quality as well as look into upgrades that can help propel .40g BBs... "In this comprehensive video, we dive deep into the Golden Eagle SR25, also known as the Matrix SR25, to explore its stock internals and discover how to make it more accurate and suitable for .40g BBs, all while keeping it within legal FPS limits for full auto use on most airsoft fields. Join us as we walk you through the upgrade process and provide expert insights on optimizing your SR25's performance."