Maple Leaf 2021 Autobot Hop Up Silicone for VSR & GBB

Maple Leaf - 2021 Transformers AUTOBOT Hop Up Silicone Bucking | TM, WE, KJ GBB  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 Suitable for Marui / KJ GBB Pistols and VSR-10 compatible air cocking rifles Compatible with old style WE-Tech gas blowback pistol or rifles Now made from Silicone Types: 50 Degree - Green 60 Degree - Yellow 70 Degree - Blue 80 Degree - Red 85 Degree - Black -NOTE: As always, upgrading GBB require necessary skill & technique, consult expertise if needed