High Quality part for upgrading your Airsoft AEG Aluminum 7075 made Piston Japan PA made Piston Head 15 Steel Teeth Design (Hard HRC 38゚- 40゚) For High R.O.F. (rate of fire) Compatible with Marui or other compatible Airsoft Electric Gun AEG Gearbox Version 2 / 3 / 6 / 7 The Grease grooves cut on the rail-guides keep it lubricated Provide steady performance & consistence durability Recommend to use with high torque motor & reinforced gear and motor pinion gear Weight(Gram):42
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