Rock Universal Hop up 11mm Nylon/Metal Type:metal Whether you're a foam dart

Whether you're a foam dart enthusiast

Windproof and multi-use

10x suction darts

Multiple size available

this pmag makes your gel balls glow for a higher visibility in low light situations

Rock Universal Hop up 11mm Nylon/Metal Type:metal Whether you're a foam dartUpgrade 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