Lee Precision 3-Die Set — 577/450 Martini-Henry
Product Code: 90902
Manufacturer: Lee Precision
Condition: New
Product Overview
The Lee Precision 3-Die Set for 577/450 Martini-Henry is specifically designed for reloading this historic British military cartridge. Ideal for collectors, vintage firearm enthusiasts, and historical shooters, this high-quality die set ensures safe, consistent, and reliable reloading of black powder and modern smokeless loads for the classic Martini-Henry rifles.
Set Includes:
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Full-Length Sizing Die
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Resizes the case to factory specifications
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Includes a decapping rod for spent primer removal
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Expanding Die
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Flares the case mouth for easy, precise bullet seating
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Bullet Seating Die
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Seats and crimps the bullet securely in one operation
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Load Data & Instructions
Key Features:
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Hardened Steel Construction: Built for durability and long service life when working with these large, vintage cartridge cases.
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Precision Machined: Provides smooth operation and accurate, consistent reloads.
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Standard 7/8″-14 Thread Dies: Compatible with most single-stage and turret presses.
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Includes Load Data: Historical load data for safe and effective reloading.
Specifications:
| Feature | Details |
|---|---|
| Caliber | 577/450 Martini-Henry |
| Die Material | Hardened Steel |
| Number of Dies | 3 |
| Thread Size | Standard 7/8”-14 |
| Compatible Presses | Single-stage and turret presses |
| Includes | Sizing Die, Expanding Die, Seating Die, Load Data |
Perfect for preserving the legacy of one of history’s iconic service rifles, the Lee 577/450 Martini-Henry 3-Die Set ensures reliable, accurate, and safe reloads for both collectors and black powder enthusiasts.

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