Lyman Pro Series MicrometerTaper Crimp Die .45 Auto

The Lyman Pro Series Micrometer Taper Crimp Die for .45 Auto delivers precision ammunition reloading with micrometer-adjustable control over crimp depth. Unlike standard crimping dies that apply fixed crimp geometry, this tool allows shooters to dial in exact crimp specifications in thousandths-of-an-inch increments, ensuring consistent cartridge dimensions critical for reliable feeding, consistent velocity, and extended case life in semi-automatic pistols.

The micrometer adjustable head positions a floating crimp sleeve that centers the cartridge during the crimping stroke, applying a uniform taper crimp without damaging the case or deforming the bullet. Construction in corrosion-resistant stainless steel ensures durability across extended reloading sessions and storage conditions. The floating design accommodates minor case length variations while maintaining concentricity, reducing the need for case sorting and improving throughput consistency for high-volume reloaders.

This die is designed for .45 Auto handloaders who demand tight tolerances—competition shooters, law enforcement academy instructors preparing training ammunition, and precision-focused reloaders optimizing for accuracy and reliability. The micrometer adjustment feature eliminates guesswork common with single-stage dies, allowing repeatable results batch after batch. Taper crimping, as opposed to roll crimping, is preferred for .45 Auto to preserve case integrity and enable easy decapping during future reloading cycles.