Customize your Nerf Modulus blaster with the Long Range Upgrade Kit. It includes a distance scope to focus your aim, a folding bi-pod to stabilize your shots, and a barrel for long range targets. They easily attach to Nerf Modulus blasters to customize for any mission or battle: Slide the scope and the bi-pod onto tactical rails, and attach the barrel to the blaster. With the full Nerf Modulus system, create over 1000 different combinations! (Blasters, upgrade kits, and accessories each sold separately.)