Transformers Autobot Silicone VSR / GBB Hop-Up
Very high quality seal which will significantly increase the range and the grouping of your VSR-10 or your compatible GBB.
- For VSR 10 Marui snipers and clones
- For GBB WE / Marui / KJ Works and VFC
- C-ring included (metal)
- anti-frozen silicone hop-p rubber
- 50 ° green
- 60 ° yellow
- 70 ° blue
- 80 ° red
- 85 ° black
Note: the higher the degree, the harder the joint.
A powerful replica (1.8J) requires a hard joint (80 ° or 85 °) with heavy balls.