COWCOW Technology Enhanced Piston Head for KSC/ KWA MP7, MP9 & M93RII GBB Airsoft

Key Feature Rubber Construction Airsoft Piston Head Design For Enhanced gas efficiency/ Optimized airflow/ Maintains FPS (no major loss) Suitable For KSC/ KWA MP7, MP9 & M93RII Gas Blow Back GBB Airsoft