Prometheus Straight Chamber Packing - Soft (Blue)
- If your hop-up adjustment is not having a big effect on the hop-up of your BBs, then it probably means that your hop-up packing is worn down and is not gripping the BB properly before it is fired out.
- A very innovative Hop-Up rubber packing, designed for low stress and high performance.
- This rubber has no inner hump and is designed to work with flat or bridge type nubs.
- Suitable for virtually all AEGs.