RCBS Expander Decapping Unit

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These replacement decapping units feature an expander rod, expander ball, and decapping pin. They are used in sizing dies to de-prime the case and expand the case neck in bottlenec k cartridges. It is always a good idea to keep an extra decapping unit on hand so you can ensure your reloading sessions do not get interrupted if you ever damage them during use. KEY FEATURES Factory Replacement Part Precision Machined to ensure concentricity Expander Rod, Expander Ball, and Decapping Pin Show more