Lee Factory Crimp Die for .300 Remington Ultra Magnum / .300 H&H Magnum caliber cartridges.
This precision-engineered crimp die is specifically designed to provide an optimal factory crimp, ensuring superior bullet retention and consistent cartridge performance.
Utilizing advanced metalworking techniques, this die firmly secures the projectile to the case neck more effectively than conventional dies, without causing any deformation or damage to the brass case or the crimp groove.
The die features a specialized crimping collar that compresses the case mouth precisely into the bullets crimp groove, delivering a secure and reliable bullet hold essential for high-velocity rifle cartridges.
Extensive ballistic testing conducted by Lee has demonstrated that employing a Factory Crimp Die results in a more uniform chamber pressure curve, which directly translates to enhanced shot-to-shot accuracy and improved ballistic consistency.
Remarkably, this crimping solution improves precision even with bullets that lack a dedicated crimp groove, by increasing the initial resistance to bullet movement within the case neck.
The enhanced crimping effect elevates the initial bullet release pressure, ensuring that the projectile remains firmly seated until the optimal moment of ignition, thereby reducing velocity variations and promoting tighter groupings downrange.
This die is highly recommended for use with semi-automatic and lever-action rifles, where consistent bullet retention is critical to reliable feeding and cycling.
Please note that the Shellholder is not included and must be sourced separately.
Constructed from high-grade steel, this die is built for durability and long-term precision performance.
Compatible with reloading presses that accept the standard 7/8"-14 thread size.
Packaged in a protective plastic case for safe storage and transport.
Factory Crimp Die Caliber 300 Ultra Mag / 300 H&H LEE
90970
Lee Factory Crimp Die for .300 Remington Ultra Magnum / .300 H&H Magnum caliber cartridges.
This precision-engineered crimp die is specifically designed to provide an optimal factory crimp, ensuring superior bullet retention and consistent cartridge performance.
Utilizing advanced metalworking techniques, this die firmly secures the projectile to the case neck more effectively than conventional dies, without causing any deformation or damage to the brass case or the crimp groove.
The die features a specialized crimping collar that compresses the case mouth precisely into the bullets crimp groove, delivering a secure and reliable bullet hold essential for high-velocity rifle cartridges.
Extensive ballistic testing conducted by Lee has demonstrated that employing a Factory Crimp Die results in a more uniform chamber pressure curve, which directly translates to enhanced shot-to-shot accuracy and improved ballistic consistency.
Remarkably, this crimping solution improves precision even with bullets that lack a dedicated crimp groove, by increasing the initial resistance to bullet movement within the case neck.
The enhanced crimping effect elevates the initial bullet release pressure, ensuring that the projectile remains firmly seated until the optimal moment of ignition, thereby reducing velocity variations and promoting tighter groupings downrange.
This die is highly recommended for use with semi-automatic and lever-action rifles, where consistent bullet retention is critical to reliable feeding and cycling.
Please note that the Shellholder is not included and must be sourced separately.
Constructed from high-grade steel, this die is built for durability and long-term precision performance.
Compatible with reloading presses that accept the standard 7/8"-14 thread size.
Packaged in a protective plastic case for safe storage and transport.
€24.64
Tax included
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