The RCBS 9190 is a practical solution to the common problem that occurs with the use of large bodied rifle cases: fitting over the cases with existing powder funnels. This obstacle is readily overcome by the RCBS Quick Change Powder Funnel. The unique feature of this funnel lies in its adaptable design, which is supported firmly by the body of the case and lets you choose your desired powder flow.In addition, there\'s a 4-inch drop tube that effective aids in pouring the compressed powder charge into the case. An additional benefit is that these drop tubes are stackable, giving you the flexibility to extend the drop length when needed.One more functionality offered by this tool is that it facilitates easy return of powder to its original container, when you remove the adaptors. The RCBS 9190 is indeed a valuable asset to ensure an efficient and smooth ammunition reloading process.