CLPD @A+Studio Novel Design Piston Head for GSB/Airsoft Masterpiece Light Weight Blow Back Housing

    Are you having trouble with your Gunsmith Bro/Airsoft Masterpieces light weight blow back housing, with the piston O-ring?

    Does it not seal correctly?

    Does the O-ring run out from the piston?

    The CL Project Design Piston Head is a novel product for you!

    It is not an O-ring anymore; the design is just like a tire, so gas goes into the piston will balance expand, perfectly sealing your nozzle.

    No more headache with looking for the right size O-ring for your gun anymore!

    SKU: NDPHLWH Categories: ,