Maple Leaf Transformers Autobot Hop Up Silicone for VSR & GBB-60°

Suitable for Marui / WE / KJ GBB Pistol, 
WE GBBRs and VSR-10 compatible Air Cocking Rifles

- 2021 New Version
- Slightly narrow entrance for better sealing to achieve more consistent power output.
- C-Clip to enhance lip stiffness for further sealing
- Special pressure point geometry reduces inconsistency between shots for more predictable trajectory

NOTE: Due to special pressure point geometry, this product is optimized for use with inner barrels with open type hop up slot.
(i.e. Marui original pistol inner barrel and most compatible inner barrels)