Rock Universal Hop up 11mm Nylon/Metal Type:metal Material: nylon microfiber

Material: nylon microfiber

Material: 3d printing pla Weight: 25g

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

black / army green/ black camo/ gray

brand: flames storm

Rock Universal Hop up 11mm Nylon/Metal Type:metal Material: nylon microfiberUpgrade 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