GSI Expert HOP Wingless GBB Hop-Up Rubber Style:Gold (Soft) XT Base unit

XT Base unit

1kg Resealable Bag

The core holds a standard 12 gram Co2 cartridge in an enclosed compartment

such as the MP5/10 and MP5/40

GSI Expert HOP Wingless GBB Hop-Up Rubber Style:Gold (Soft) XT Base unitIntroducing the GSI Expert HOP Wingless Two Way Type Hop Up Rubber for All Seasons the ultimate solution for improving the accuracy of your airsoft gun. This high quality hop up rubber is designed to maintain a consistent trajectory in all weather conditions, making it the perfect companion for all season play. The GSI Expert HOP Wingless Two Way Type Hop Up Rubber is engineered to enhance the performance of your airsoft gun, ensuring that each shot