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:

Full-Length Sizing Die
- Resizes the case to factory specifications
- Includes a decapping rod for spent primer removal
Expanding Die
- Flares the case mouth for easy, precise bullet seating
Bullet Seating Die
- Seats and crimps the bullet securely in one operation
Load Data & Instructions

Key Features:

Hardened Steel Construction: Built for durability and long service life when working with these large, vintage cartridge cases.
Precision Machined: Provides smooth operation and accurate, consistent reloads.
Standard 7/8″-14 Thread Dies: Compatible with most single-stage and turret presses.
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.

Brand

Lee Precision

Lee Precision, Inc. Reloading Equipment from dies to Presses

Lee Precision Reloading your own ammunition is a rewarding and cost-effective way to improve shooting precision. Reloading offers a range of reliable and user-friendly tools that cater to both beginners and seasoned reloaders. Among their products, you’ll find essential tools such as single-stage and progressive presses, powder measures, case trimmers, and priming tools. The classic single-stage press provides a simple and dependable base for any reloading bench. For those looking to speed up the process, Lee’s progressive presses, like the Load-Master, perform multiple operations with each lever pull. Accuracy and consistency are crucial in reloading, and powder handling tools, such as the Perfect Powder Measure, deliver precise measurements every time. Their Auto-Prime tool also ensures smooth and consistent primer seating, a key factor in reliable ammunition performance. Range of dies, including carbide options, reduces the need for lubrication, streamlining the reloading process. Additionally, case trimming tools prepare each cartridge case to exact specifications, which ensures optimal performance. Reloading is committed to offering high-quality tools at an affordable price, making reloading accessible to more shooters. Whether you are into hunting, target shooting, or competition,Reloading’s equipment provides everything you need to produce high-quality, custom ammunition.

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Brief History of Lee Reloading Equipment

Lee reloading business began in the home workshop of Richard Lee in 1958 with the invention of the famous Lee Loader for shotgun shells. Lee Loaders, for rifle and pistol ammunition, were invented in the early sixties. These highly effective and economical tools introduced over one and a half million shooters to reloading. The seventies saw the first lathe turned aluminum bullet molds along with melters and sizers. These make casting bullets easy and more precise than ever before possible. The molds are so precise that most Lee bullets do not require sizing. Toward the mid decade, the enormously popular Lee Load-All for shotgun shells was invented. The huge following of Lee Loader users enthusiastically upgraded to new Lee presses and dies when they were introduced in the eighties. Many owners of other brands of dies and presses were easily won over because of the innovative features offered only by Lee. During this period, tens of thousands' of reloaders enjoyed the speed and fun of reloading with the Lee Turret Press and the most popular of all progressive presses the Lee Pro 1000. Initially, every Lee product is distinctly different from products offered by other companies. Soon however, other companies imitate our inventions and offer products almost as good, but at higher prices. Dies, presses, crimpers, powder measures, priming tools, scales, bullet molds, melters, bullet sizers, lubricants, turrets, trimmers and many accessories are all inventions introduced by Lee and copied by others.

Every Lee product must always pass the Lee three question tests:

Does it fill a real need or is it better than any other product available?
Can it be produced at an affordable price?
Would I buy one?

A yes to all three is required before we introduce a product.

The most outstanding and daring features of Lee products are these unusual guarantees

Every Lee product is unconditionally guaranteed for a full two years and a conditional lifetime guarantee.
You may get a full refund within 30 days if you are not 100% satisfied, from all participating dealers.
Lee dies are guaranteed to produce ammunition with less bullet run-out than any other brand. Ammunition loaded with Lee collet dies are guaranteed to shoot the smallest groups, even when matched against custom bench rest equipment! Not so daring as they have already broken one world record.

Serving the reloaders of the world for sixty years, Lee Precision is 100% family owned.