Enhance your airsoft build with ACM Black Springs, engineered to provide a consistent 430 FPS velocity. Trusted for reliable power delivery, these springs offer a practical upgrade route for players seeking improved performance from their electric airsoft guns.
- Designed for steady 430 FPS output (actual results vary by set-up)
- Simple installation and robust build
- Compatible with most standard AEG platforms
Note: This spring is not shell ejecting and does not feature recoil. Installation may require technical knowledge depending on your rifle model.










