SHS DELAYER SILVER Gear sector chip which fits the space better between sector gear and tappet plate Basically this upgrade part can enable the tappet plate (air nozzle) to delay it"s releasing time Enables reliable BB Feeding in a modified high performance AEG Even though it is such small upgrade gearbox part, it will guarantee an AEG"s reliable performance This parts has no side effects such as power loss or erosion of the tappet plate As always, when upgrading an AEG it requires the necessary skill & technique to dissemble the gearbox, consult expertise if needed SHS - Essential in Optimizing Performance of your AEG