Transformers Decepticons 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.