The Neck Expander Die expands the neck and flares the case mouth in a single step. This operation is critical to the successful reloading of cast bullets. This is an expander plug only, to be used with the body die, product 735-718.
Replacement part for RCBS neck expander die
This is the expander plug only
The complete die consists of a neck expander plug, plug rod and expander body
Number in the description refers to the diameter of the bullet used in the cartridge
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