Die Caliber 8x57 (7.92) LEE Reloading Dies
Lee Precision 3-Die Set for Caliber 8x57 Mauser Premium Reloading Kit for Metallic and Semimetallic Cartridges.
This comprehensive three-die set, crafted from hardened steel, is engineered specifically for precision reloading of 8x57 Mauser cartridges, ensuring optimal case resizing, bullet seating, and crimping performance for both metallic and semimetallic ammunition components.
The kit includes the following dies:
1. Full-Length Resizing Die: Designed to fully resize and de-prime fired brass cases, this die removes the spent primer and slightly expands the case neck to facilitate consistent bullet seating. Proper lubrication of the brass case is essential prior to resizing to prevent case sticking and ensure smooth operation.
2. Bullet Seating Die (Adjustable): This precision seating die allows for meticulous control over bullet seating depth, enabling the projectile to be seated at the exact desired depth within the case neck. It also initiates the case neck closure around the bullet. Caution is advised to avoid excessive neck crimping at this stage, as over-crimping can deform the case neck into a rolled or rifle-ripple shape, potentially compromising cartridge integrity and ballistic consistency.
3. Factory Crimp Die: Specifically engineered to apply a robust, uniform crimp to the case mouth without damaging the brass, this die is indispensable for cartridges intended for use in lever-action or semi-automatic firearms. The factory crimp die ensures reliable bullet retention under the dynamic feeding and cycling conditions typical of these firearm actions.
Additional components included in the kit:
Shell Holder: Precision-machined to securely hold 8x57 Mauser cases during the resizing and seating operations on standard reloading presses.
Powder Measure Tool: Facilitates accurate and repeatable powder charge dispensing, critical for maintaining consistent internal ballistics and safe reloading practices.
Load Data Chart: Comprehensive reloading data is provided, excluding Spanish powder specifics, to guide reloaders in selecting appropriate powder types and charge weights for safe and effective cartridge assembly.
For optimal die performance and case longevity, it is imperative to apply a suitable case lubricant before the full-length resizing process. This reduces friction, prevents case sticking, and extends the usable life of your brass.
This Lee 3-die set for the 8x57 Mauser caliber is an essential tool for precision reloaders seeking to maximize cartridge performance, reliability, and safety in both metallic and semimetallic ammunition configurations.