SKU: 90409
UPC: 734307904098
MPN: 90409
The Lee Full Length 3-die Set for .458 Socom is purpose-built for reloaders working with one of the most powerful short-action rifle cartridges available. Whether you're a precision shooter, long-range hunter, or tactical rifle enthusiast, this die set handles the complete reload cycle for .458 Socom ammunition, giving you control over consistency, accuracy, and component efficiency. The .458 Socom's unique dimensional requirements demand tooling precision, and Lee's Pacesetter 3-die configuration delivers the full-length sizing, bullet seating, and factory crimp functionality needed to produce match-grade rounds.
This die set includes a full-length sizing die that ensures consistent case dimensions across all reloads, critical for reliable chamber fit and consistent velocity in the .458 Socom platform. The bullet seating die allows precise bullet depth control, directly affecting pressure curves and terminal ballistics—especially important when handloading heavy projectiles typical of this cartridge. The factory crimp die applies uniform neck tension without a separate taper crimp step, reducing setup time while maintaining the ammunition integrity needed for bolt-action or semi-automatic .458 Socom builds. Each set ships with a universal shell holder, powder dipper, and comprehensive load data, making it a complete reloading solution that weighs just 1.3 lbs and fits easily into any bench setup.
Reloaders building AR-10-pattern .458 Socom rifles, M1A conversions, or custom bolt-action rigs benefit most from this dedicated die set, as aftermarket ammunition for this caliber is limited and often expensive. The .458 Socom's wide case head and magnum-length sizing requirements make quality full-length dies non-negotiable for repeatable accuracy and safe pressure levels. Compatible with any standard single-stage press featuring a 7/8-14 thread, this Lee set integrates seamlessly into both novice and experienced reloader workflows, delivering the precision and reliability required when working with premium cartridges designed for serious ballistic performance.
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