Upgrades designed for Classic Army brand AEG's (since they include metal bushings) for customers that want a little extra power out of their AEG.
- Duracon Piston Head
- Classic Army High Speed Flat Gear set
- Professional Installation
*fps is based on an average, firing .20 bb's. Your actual performance will vary depending factors like inner barrel quality, length, bb weight and other factors. Spring may be substituted for equivalent spring from Guarder or Classic Army.