Autobot VSR/GBB - Silicone Rubber

Transformers Autobot 60 2021 is a hop-up rubber made of a silicone blend, designed for the VSR and GBB series replicas.

Its secret lies in the innovative shape of the BB winding element: DELTA. Thanks to this unique shape, shot accuracy is significantly improved.
The silicone it's made from is highly resistant to low temperatures, without the Cold-Bore Shot effect; it doesn't require heating to achieve a stable ball flight path and full range.
Works great on sniper rifles.
Thanks to the larger and wider surface area of ​​the ball style, it provides optimal curvature, perfect for heavy balls.

Before purchasing, make sure the hop-up rubber fits your barrel.

50 degrees up to 360 FPS
60 degrees 290-390 FPS
70 degrees 355-460 FPS
75 degrees 420-490 FPS
80 degrees 480 FPS or higher