The Hornady Lock-N-Load Powder Measure High Capacity Metering Assembly is perfect for the reloader using their Lock-N-Load Powder Measure to meter out large charges ranging from 80 to 265 grains. The kit includes two metering assemblies, one has a capacity of 80 to 180 grains and the other has a capacity of 165 to 265 grains. Also included is a clear drop tube to visually ensure complete powder drop, and an extended hopper for less refills while loading. Notes: Perfect for large caliber reloads such as the 50 BMG, 416 Barrett, 408 Chey-Tec