SHS One Piece Bore Up Cylinder Piston Head Air Nozzle Set For M4 M16 Series AEG Gearbox Rifles Airsoft

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- SHS One Piece Bore Up Cylinder Piston Head Air Nozzle Set For M4 M16 Series AEG Gearbox Rifles Airsoft - Made out of steel plastic - With Thread cylinder set for AEG rifle gearbox Version 2. - Included Air Nozzle and Bearing Piston Head. - Cylinder head set for Version 2 series gearbox. - Silent piston head with ball bearing. - Tighter sealed air nozzle ensures more barrel exit muzzle velocity. - Higher power, better performance. - 363mm~500mm precision inner barrel suggested. - Higher power, better performance and Bore Up Version. - Fit for M4 M16 Series Airsoft Electric Gun AEG Rifle. - As always, upgrading AEG require necessary skill and technique to dissemble the gearbox, consult expertise if needed. - Weight - Approx 50g - Original Packing