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LEE 90590 FACTORY CRIMP DIE 300 AAC BLACKOUT
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 90590-734307905903
Overview
Designed for handloaders working with 300 AAC Blackout, this factory crimp die is intended to secure the bullet more firmly during the loading process. It is aimed at shooters who want a consistent crimp as part of their cartridge preparation, including loads using bullets without a crimp groove. By helping create more uniform start pressure, it supports a more controlled pressure curve and reduced velocity variation.
Why Hunters Choose the Lee Precision
300 Aac
Blackout cartridges
Applies Firm
Crimp to hold bullets in
Suitable Bullets
Without a crimp groove
Intended Promote
More uniform pressure curves
Aims Reduce
Velocity variation during firing
Key Features
- Lee Factory Crimp Die for 300 AAC Blackout cartridges
- Crimps bullets in place more firmly than standard tools
- Designed for use even with bullets that have no crimp groove
- Firm crimp helps pressure build before bullet movement begins
- Aims for a more uniform pressure curve
- Intended to reduce velocity variation
Best Used For
- Handloaders seeking a firmer crimp for 300 AAC Blackout cartridges
- Reloaders working with bullets that lack a crimp groove
- Shooters focused on more uniform pressure curves in loaded rounds
- Users wanting a dedicated factory crimp die for 300 AAC Blackout
Specifications
| Caliber | 300 AAC Blackout |
|---|---|
| Crimps Bullet In Place | Yes |
| Die Type | Factory Crimp Die |
| Model Number | 90590 |
| Supports Bullets Without Crimp Groove | Yes |
Pros
- Designed specifically for 300 AAC Blackout cartridges
- Applies a firm crimp to hold bullets in place
- Suitable for bullets without a crimp groove
- Intended to promote more uniform pressure curves
- Aims to reduce velocity variation during firing
Considerations & Trade-offs
- Designed specifically for 300 AAC Blackout, so it is not a general-purpose crimp die for other cartridges.
- Its use adds an extra crimping step to the loading process, which may not be necessary for every load or application.
- The product description emphasizes a firmer crimp, so users should match crimping to their load requirements rather than apply it indiscriminately.
Suggested Comparisons
- Reloading dies
- Cartridge-specific reloading tools
- Bullet seating and crimping tools
- Handloading accessories
Suggested Accessories
- Reloading press
- Bullet seating die
- Case trimmer
- Powder scale
Frequently Asked Questions
What cartridge is this Factory Crimp Die made for?
It is made for 300 AAC Blackout.
What does this die do during loading?
It crimps the bullet in place more firmly.
Can it be used with bullets that do not have a crimp groove?
Yes. The product description says tests demonstrate that even bullets with no crimp groove will shoot more accurately.
What benefit does the description give for using a firm crimp?
The description says a firm crimp helps pressure build to a higher level before the bullet begins to move, which creates a more uniform pressure curve and less velocity variation.
Is any material, size, or warranty information provided?
No. The provided product data does not include material, dimensions, or warranty details.