FIREFLY - Accuracy Cutting Type Nozzle for SOPMOD M4 EBB AEG Special Forces Silencer Dytac CNC K Style Offset

Dytac CNC K Style Offset Mount  Full Metal Construction  Suitable For Replica T1 Red Dot Sight

5 inch Full Keymod for WA M4 GBB (Sand)

If your measurement is between 36 and 40 inches you will need a Large

including M170

which is OEM by Montblanc

FIREFLY - Accuracy Cutting Type Nozzle for SOPMOD M4 EBB AEG Special Forces Silencer Dytac CNC K Style OffsetEssential 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