RCBS Neck Expander Plug .277 Cal - 39861

The RCBS Neck Expander Plug is a replacement component designed for use with the RCBS Neck Expander Die, enabling expansion of case necks and flaring of case mouths in a single step. Compatible with .277 caliber and other dimensions, this plug is essential for reloading cast bullets. The product includes California Prop 65 warning.