Duracon Piston Head with Thrust Bearing is renewed to be more effective Redesigning the area of port at the head front & the total weight It creates soft & quieter shooting sound than the sister part, Aluminum Version Suitable for AEG brand: Tokyo Marui, ICS & Classic Army (Version 2 / 3 Gearbox) As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed
Material : POM
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