G&G Hop-Up Unit for UMG
- G&G's standard hop-up unit for the UMG.
- Metal construction, grey in colour.
- The unit is already pre-assembled and includes a c-clip.
- Suitable for G&G UMG.
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 i...View full details