There does seem to be a lot of choices and the right choice can be overwhelming and expensive. However, it really comes down to how you envision your range being used, your business model and Return-On-Investment (ROI), and, ultimately, your budget. There are basically three types of target retriever systems being used on the majority of indoor shooting ranges – Trolley (cable), Railed (cable), Railed (Wireless). All have in common that they have a drive motor and a carriage system for hanging and transporting the target down and back to a desired distance.