Rock Universal Hop up 11mm Nylon/Metal Type:metal Count on the XYL brand

Count on the XYL brand for reliable and efficient performance

while its quick release feature allows for easy change of weapon positioning

The handguard style

Plug type: sm / xt30

automatic rebound

Rock Universal Hop up 11mm Nylon/Metal Type:metal Count on the XYL brandUpgrade your gel blaster's shooting performance with the Rock Universal Hop up. Compatible with most gel blasters, it increases shooting distance by 5 meters. Includes 2 flaps and grub screws for easy hop up adjustment. Made with durable nylon metal for reliable use. Features: The Rock general hop up is compatible with most gel blasters which used inner barrel with 11mm outer diameter. Increase the shooting distance for 5 meters. It comes with 2 flaps