Retro Arms M4 Full Metal Aircraft Aluminum Version 2 Gearbox

Retro Arms M4 Full Metal Aircraft Aluminum Version 2 Gearbox

Get the best upgrades for your AEG and ensure your rifle is at its finest potential! Retro Arms manufactures their gearboxes from one block of solid 7075 T651 aircraft aluminum. This extremely tough and durable alloy is milled on multi-axis CNC machines to ensure the finest precision and quality. They are not milled after castings. Retro Arms' quality gearboxes are made with perfect compatibility with Tokyo Marui AEG gearboxes and most other AEGs. All of their gearboxes are made with protective anodizing to ensure durability and a smooth finish.

About Retro Arms: Retro Arms are high quality Czech (EUROPE) manufacturers who specialize in creating upgradeable and spare parts for airsoft rifles. Their main products include premium cut CNC gearboxes and other internal parts including springs, hop ups and bushings. Retro Arms offer CNC gearboxes that are manufactured to be constructed of one piece aircraft dural EN AW 7075 aluminum alloy, and are the leading manufacturers in the world who currently use this unique metal in airsoft. Using their several CNC milling machines and development center, Retro Arms continues to work on their craft to provide the most tough and reliable parts for airsofters around the globe.

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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