For AEG HOPUP
- The properties of the rubber are highly elastic and anti wear.

Recommended hardness / FPS combinations:
- 50 degree: Up to 360 FPS
- 60 degree: 295-390 FPS
- 70 degree: 360-460 FPS
- 75 degree: 425-490 FPS
- 80 degree: 490 FPS up