Rock Universal Hop up 11mm Nylon/Metal Type:nylon great for people with reduced

great for people with reduced vision

Customizable Performance: Choose from three included springs to adjust firepower from 140 to 250 FPS

1x PC Lens

Length: 54mm

This Scar is designed to give short darts a spin for more accuracy when leaving your barrel

Rock Universal Hop up 11mm Nylon/Metal Type:nylon great for people with reducedUpgrade 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