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LEE 90416 CARBIDE FACTORY CRIMP DIE 41 MAGNUM
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 90416-734307904166
Overview
This carbide factory crimp die is designed for handloaders working with .41 Magnum ammunition who want a consistent crimping step that also sizes the cartridge as it is applied. It adds a roll crimp and uses an adjusting screw to set the amount of crimp quickly and easily, making it a practical choice for loading sessions where repeatability matters. The die also reduces the need for trim-length precision, which can simplify case preparation compared with trimming and chamfering every case. It is aimed at producing ammunition that chambers freely and supports dependable ignition, especially when loading magnum powders.
Why Hunters Choose the Lee Precision
Sizes Cartridge
While crimping for consistent chambering
Adds Roll
Crimp for secure bullet retention
Adjusting Screw
Allows quick, easy crimp adjustment
Trim Length
Is not critical, reducing case-prep
Designed Help
Slow-burning magnum powders
Key Features
- Sizes the cartridge while crimping for free chambering and factory-like dependability.
- Adds a roll crimp to secure the bullet in place.
- Adjusting screw sets the desired amount of crimp quickly and easily.
- Trim length is not critical, reducing case preparation time.
- Designed to crimp more firmly than other tools without buckling the case.
- Bullets without cannelure can shoot more accurately with the factory crimp die.
Best Used For
- Handloaders loading .41 Magnum ammunition for consistent chambering and crimp control
- Shooters wanting a roll crimp without relying on case trimming and chamfering
- Reloaders using bullets without a cannelure in .41 Magnum loads
- Hunters assembling .41 Magnum rounds with a firm crimp for magnum powder ignition
- Users seeking a carbide factory crimp die for straightforward, repeatable die adjustment
Specifications
| Adjusting Screw | Yes |
|---|---|
| Bullets Without Cannelure | Shoot more accurately with the factory crimp die |
| Caliber | 41 Magnum |
| Crimp Type | Roll Crimp |
| Die Type | Carbide Factory Crimp Die |
| Eliminates Poor Ignition Of Slow Burning Magnum Powders | Yes |
| Factory Like Dependability | Yes |
| Firm Crimp Essential | Yes |
| Impossible To Buckle Case | Yes |
| Sizes Cartridge While Crimping | Yes |
| Trim Length Critical | No |
Pros
- Sizes the cartridge while crimping for consistent chambering
- Adds a roll crimp for secure bullet retention
- Adjusting screw allows quick, easy crimp adjustment
- Trim length is not critical, reducing case-prep steps
- Designed to help prevent poor ignition with slow-burning magnum powders
- Can crimp bullets without cannelure
Considerations & Trade-offs
- This die adds a roll crimp, so it is intended for loads where that crimp style is appropriate.
- It is a separate sizing/crimping step, so it adds an extra operation to the loading process even though trim length is not critical.
- The description notes a firm crimp is important for dependable ignition with slow-burning magnum powders, so it is most relevant when that loading requirement applies.
- Bullets without a cannelure are specifically mentioned as a use case, which may matter when selecting components for your .41 Magnum loads.
Suggested Comparisons
- Cartridge crimp dies
- Reloading dies for handgun cartridges
- Magnum handgun reloading accessories
Suggested Accessories
- Reloading press
- Case trimmer
- Chamfer/deburring tool
- Calipers
Frequently Asked Questions
What does the Lee 90416 Carbide Factory Crimp Die do for .41 Magnum loads?
It sizes the cartridge while crimping and adds a roll crimp. The product description says this is intended to help every round chamber freely with factory-like dependability.
Do cases need to be trimmed to a precise length before using this die?
According to the product description, trim length is not critical. That means this extra operation takes less time than if cases had to be trimmed and chamfered.
Can the amount of crimp be adjusted?
Yes. The adjusting screw is described as quickly and easily setting the desired amount of crimp.
Will this die work with bullets that do not have a cannelure?
The specifications state that bullets without a cannelure shoot more accurately with the factory crimp die.
What advantage does the product description give for using a firm crimp?
The description says a firm crimp is essential for dependable and accurate ammunition and helps eliminate problems of poor ignition of slow-burning magnum powders.