FIREFLY - Accuracy Cutting Type Nozzle for SOPMOD M4 EBB AEG Special Forces Silencer Blow Back:Yes

Blow Back:Yes

which is OEM by Montblanc

Hop-Up Muzzle Velocity: 390-410fps with 0

Flashlight Flashlight Vertical Foregrip

FIREFLY - Accuracy Cutting Type Nozzle for SOPMOD M4 EBB AEG Special Forces Silencer Blow Back:YesEssential part for upgrading your Airsoft AEG Plastic Construction Tighter sealed air nozzle ensures more barrel exit muzzle velocity This Oil Lubricated Air Seal Nozzle increase the air tightness of the cylinder Able to hold against tappet plate to prevent rotation Direct replace of original air nozzle of Airsoft Electric Gun As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed