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The RCBS 10901 is a comprehensive two-die set, specifically designed for reloading bottleneck cases. The package includes a Full-Length Sizer Die equipped with an Expander-Decapping Unit, as well as a Seater Die that comes with a Bullet Seater Plug.
Reshaping the case to Saami's minimum cartridge dimensions is a breeze with the Full-Length Sizer Die. It's designed to size the case exterior, extract the prime, and enlarge the neck for bullet accommodation. The die features unique vents that are strategically positioned to prevent damage to the case due to trapped air and excessive lubrication. Plus, it maintains headspace within smallest possible tolerances, which negates the risk of altering the case body length when carrying out full-length sizing.
Additionally, the set contains a highly functional Seater Die. Ingeniously designed with a built-in roll crimper, it accomplishes two tasks at once, firmly seating the bullet while ensuring it is securely crimped.