These BO Manufacture HPA magazine valves are engineered for airsofters looking to convert their existing gas magazines for HPA (High Pressure Air) applications. Designed for broad compatibility, they fit:
- Armorer Works magazines (including drum mags)
- WE magazines (including drum mags)
- HFC magazines
- GHK magazines
- KJW magazines
A practical solution for players seeking consistent HPA performance using their preferred gas magazines. Please check compatibility with your specific magazine model before purchase.












