Top Shooter Steel Folding Stock Lock Button For Maruyama MP-IX MP9 GBB Airsoft SMG

Key Feature CNC Steel Construction Airsoft Folding Stock Lock Button Design For Replace the Original Parts The button you press to fold or unfold the collapsible stock on the MP9/MP-IX SMG Suitable For Maruyama MP-IX MP9 Gas Blow Back GBB Airsoft SMG Sub Machine Gun