JBU's replacement steel piston gear teeth are made to withstand high cycling rates under extreme tension. This replacement piston gear is compatible with JBU's aluminum piston body, and slides securely into place.
Disclaimer: Any and all airsoft upgrade parts purchased from Airsoft Megastore will be used/installed at owner's discretion. Actual performance results depend on quality of installation, airsoft AEG barrel length, tightness of the air nozzle seal, and other possible performance-affecting factors. We are not responsible for any damage that may occur with improper installation. For best results, please do all upgrades at a certified professional airsoft technician/shop.
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