The new Type S - Bushing Style Neck Sizing Die provides reloaders with a simple means to precisely control case neck size and tension. Contains Type S neck bushing die, body die and standard seating die.
Bushings not included. The easiest way to determine the proper diameter bushing is to measure the neck diameter of several loaded or dummy cartridges with an accurate micrometer. (These dummy cartridges can be loaded with your old set of dies or a borrowed set.) Then, simply subtract 0.001" from the cartridge that had the smallest average measurement. This will allow for a slight amount of spring back and create a proper press fit for the bullet.
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