Original SHS Dual Sector Gear Sets for Version 2&3 12:1/13:1/16:1/18:1/32:1/100:200/100:300 Gearbox for Airsoft M14 FB/JM Gen.8

Original SHS Dual Sector Gear Sets for Version 2&3 12:1/13:1/16:1/18:1/32:1/100:200/100:300 Gearbox for Airsoft M14 FB/JM Gen.8

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