RCBS Quick Change Powder Measure Small Metering Screw Assembly is a great powder measuring tool. Ideally designed for the reloader that
has a variety of different cartridges and hates weighing charges every
time they switch between the cartridges. These quick change parts can be
used to update your existing RCBS Uniflow powder measures. A perfect
match is with the RCBS Quick Change Powder Measure. Steel construction
gives this the durability needed for reloading.