RCBS Neck Expander Die .284 cal - 39815

This RCBS neck expander die is designed for sizing and expanding the neck of .284 caliber rifle cases during the reloading process. The die features a neck sizer with expander/decapping unit that flares the inside dimension of the case neck slightly larger than bullet diameter for proper bullet seating alignment. Manufactured from high-quality steel and backed by RCBS's lifetime guarantee.