Kids can upgrade their blaster for any mission or battle with the Nerf Modulus StockShot blaster. This 4-shot blaster converts to a stock attachment. Use it on its own to blast into battle, or attach it to a Nerf Modulus blaster (sold separately) as an extendable stock for extra stability. As a blaster, it can hold up to 4 darts and fires one at a time. When it s in stock mode, pull out the front of the blaster to extend it. Press the button to detach the stock quickly. Includes 4 Elite darts. Expand the customizing options with Nerf Modulus Upgrade Kits and accessories (each sold separately); with the full Nerf Modulus system, over 1000 different combinations are possible!