Redding Reloading 41 Magnum Taper Crimp Die. This close packing of the case mouth ensures reliable ignition of the case primer and powder. The high-grade steel used in the die is made to exacting tolerances to ensure reliable performance every time. The long taper makes this die adaptable to a wide variety of chamber configurations. These dies give the greatest crimp possible without any voids or internal damage. In addition to the permanent crimp feature the die includes a separate gage pin that is used to measure ejection port angles. Specifications for Redding Reloading Taper Crimp Dies for Straightwall: Manufacturer: Redding Reloading Condition: New Package Contents: Redding Reloading Taper Crimp Dies for Straightwall Redding Reloading 85185: 41 Magnum Taper Crimp Die