Neck-Sizers have interchangeable bushings. These are offered in steps of 0.05 mm (0.002 ").
In addition, the Neck-Sizers have a replaceable expander and of course, the integrated primer ejector pin.
The Neck-Sizer treats the fired cartridge case only on the neck part.
This gives the advantage of better precision and a longer service life of the cartridge case.
But the cartridge cases, treated with the Neck-Sizer, can only be used in the rifle they were fired.
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