BOOMco. Railstinger from Mattel

Product Info:
The Railstinger comes with two SmartStick darts and a SmartStick target. It also has storage for one dart. Load a dart into the barrel, and pull back on the slide to fire. To attach the Railstinger to a BOOMco. blaster, sold separately, fold the blaster handle and slide the Railstinger onto the top rail of the other blaster.