AMG Gas Magazine High Output Valve For Umarex/ VFC MP5 Airsoft

AMG Gas Magazine High Output Valve For Umarex/ VFC MP5 Airsoft Stainless Steel Construction Airsoft High Output Valve Design For Replace the Original Output Valve Increase in performance and power output when installed Suitable For Umarex/ VFC MP5 GBB Gas Blow Back Airsoft Magazine