Lee Precision 7x57 Mauser Steel Factory Crimp Die - 90839

Overview

The Lee Precision Factory Crimp Die in 7x57 Mauser (model 90839) is engineered to provide a uniform, controlled rifle-type crimp on reloaded ammunition. Constructed from high-strength steel, this die features an internal collet that squeezes the case mouth into the bullet's crimping groove with consistent pressure. The powerful collet design allows reloaders to securely crimp bullets even without a pre-existing crimp groove, as it can form one during the process. Designed to minimize the risk of case buckling compared to traditional roll crimp dies, this tool helps produce a more uniform pressure curve to enhance overall accuracy and cartridge reliability. Shellholder is sold separately.

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