E&C 8mm Bearing QD Transform Version 2 V2 Gearbox Shell For M4 M16 Series AEG Rifles Airsoft

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- E C 8mm Bearing QD Transform Version 2 V2 Gearbox Shell For M4 M16 Series AEG Rifles Airsoft - Made out of metal material. - Essential part for upgrading your Airsoft Electric Gun AEG. - Easy power upgrade system. - Quick release spring and spring guide for easy power adjustment / spring replacement. - Include 6pcs ball bearing and spring guide. - Suitable For M4 M16 Series AEG Rifles Airsoft - Weight - Approx Approx 350g - Original Packing