Deep Fire Piston W-Titanium Teeth Green Gas Magazines The G45 Gen5 GBB model

The G45 Gen5 GBB model officially licensed by UMAREX works with many aftermarket accessories designed for GLOCK pistols such as gun lights

For some reason many manufacturers don't actually label the ratio

-Uses Green Gas

18104 (May not be available in your country) Magazine ref

Deep Fire Piston W-Titanium Teeth Green Gas Magazines The G45 Gen5 GBB modelDescription: This piston body is made of nylon & fiber and all teeth are made of metal covered by a layer of titanium for Tokyo Marui AEG series and Systems high speed, standard and torque up gears metal teeth can extend the useful life of the piston suitable for professional players and ultimate power players