This hop-up rubber is a replacement part designed for WE open bolt gas blowback pistols, including WE Glock series models. The bucking sits inside the hop-up chamber and applies backspin to the BB as it passes through the barrel, helping improve range and stabilize the projectile’s trajectory.
Manufactured from flexible rubber, the bucking helps maintain proper air seal between the nozzle and inner barrel while providing consistent contact with the BB. Replacing a worn or damaged hop-up rubber can restore stable performance, improve shot consistency, and maintain proper hop-up adjustment.
Designed for WE open bolt hop-up systems, this rubber fits compatible WE gas blowback pistols such as the WE Glock platform, making it suitable for maintenance or replacement when the original part becomes worn.
Key Features
Replacement hop-up rubber for WE open bolt systems
Compatible with WE Glock series GBB pistols
Helps apply backspin for improved range and stability
Supports proper air seal inside the hop-up chamber
Ideal for maintenance or replacing worn buckings
Keep your WE Glock performing consistently with a hop-up rubber designed for reliable operation and stable BB trajectory.





