Daniel K shows his Modular MWS HPA Adapter for those who are looking to tap their MWS GBBs to use HPA... "In this video, I go over my custom-designed MWS HPA adapter, fully developed by me with inspiration from top adapters on the market. This adapter features a modular design for different AEG mags (like MP5), a built-in BB stopper,  stainless steel output valve for optimized airflow and etc. It's built to handle high amounts of pressure."