SKU: 90591L
UPC: 734307905910
MPN: 90591
The Lee Undersize Sizing Die Only - Carbide .38 Spl/.357 Magnum is a precision reloading component engineered for shooters and handloaders who demand consistent, reliable ammunition. This sizing die is essential for anyone processing .38 Special or .357 Magnum brass, whether for personal defense, competition, or range training. Undersizing technology is critical in handloading because it ensures fired cases are reduced to precise dimensions that match chamber specifications, guaranteeing reliable feeding and consistent performance across multiple firearms.
Constructed from carbide material, this sizing die offers superior durability and reduced friction compared to standard steel dies, translating to longer tool life and improved case handling during the reloading cycle. The undersize design deliberately reduces case diameter slightly below SAAMI specifications, which is particularly valuable for handloaders working with older firearms, loose chamber tolerances, or high-volume reloading operations where consistent fit is non-negotiable. Carbide construction eliminates the need for case lubricant in most applications, streamlining your reloading workflow and reducing preparation time at the bench. The compact design measures 1.7 x 1.6 x 4.7 inches and weighs just 0.45 lbs, making it compatible with standard Lee reloading presses.
Law enforcement trainers, competitive shooters, and serious handloaders benefit most from the precision and longevity of this carbide sizing die. It pairs seamlessly with Lee press systems and works in tandem with corresponding sizing die sets for full-cycle reloading operations. If you're processing large quantities of .38 Special or .357 Magnum brass—whether for duty ammunition, match rounds, or personal practice—the undersize profile ensures every round chambers reliably and performs consistently downrange. This die is ideal as a replacement component or upgrade to existing reloading setups where precision and durability are paramount.
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