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Lee Precision

LEE 90856 FACTORY CRIMP DIE 45-70 GOVERNMENT

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Factory Crimp

Die for .45-70 Government cartridges

Crimps Bullet

In place more firmly than

Designed Help

Bullets without a crimp groove

Firm Crimping

Can promote more uniform pressure

Helps Avoid

Buckling the case during crimping

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SKU: 90856-734307908560

Overview

Designed for loading 45-70 Government ammunition, this factory crimp die is intended to secure the bullet more firmly during the reloading process. It is suited to hunters and shooters who want a consistent crimp without making trim length critical or risking case buckling. The die is also noted for use with bullets that do not have a crimp groove, making it a practical option for a range of load setups.

Why Hunters Choose the Lee Precision

Crimps Bullets

In place firmly for 45-70

Designed Avoid

Buckling the case during crimping

Trim Length

Is not critical for use

Can Improve

Bullets that lack a crimp

Helps Promote

More uniform pressure curve and

Key Features

  • Factory crimp die for .45-70 Government cartridges
  • Crimps the bullet in place more firmly than standard tools
  • Designed to help bullets without a crimp groove shoot more accurately
  • Firm crimping can promote more uniform pressure curve and less velocity variation
  • Helps avoid buckling the case during crimping
  • Trim length is not critical when using this die

Best Used For

  • Handloaders seeking a firmer crimp on .45-70 Government cartridges for consistent seating
  • Shooters loading bullets without a crimp groove who want a factory-style crimping option
  • Reloaders aiming to reduce case buckling risk during crimping operations
  • Users who prefer trim length to be less critical in .45-70 loading workflows

Specifications

Bullets Without Cannelure Shoot More Accurately With The Factory Crimp DieYes
Caliber45-70 Government
Crimps Bullet In PlaceYes
Impossible To Buckle CaseYes
Product TypeFactory Crimp Die
Trim Length Is Not CriticalYes

Pros

  • Crimps bullets in place firmly for 45-70 Government loads
  • Designed to avoid buckling the case during crimping
  • Trim length is not critical for use with this die
  • Can improve accuracy with bullets that lack a crimp groove
  • Helps promote a more uniform pressure curve and less velocity variation

Considerations & Trade-offs

  • Designed specifically for .45-70 Government loads, so it is not a general-purpose crimping solution for other cartridges.
  • Its main benefit is a firmer crimp, which may be unnecessary for load setups that already use a satisfactory crimp method.
  • The product description emphasizes improved consistency, but actual results will depend on the specific bullet and load combination.
  • Trim length is described as not critical, but that does not remove the need for careful case preparation and load verification.

Suggested Comparisons

  • Reloading dies
  • Crimping tools
  • 45-70 Government reloading accessories
  • Cartridge case preparation tools

Suggested Accessories

  • Reloading press
  • Shell holder
  • Case trimmer
  • Reloading dies

Frequently Asked Questions

What does the Lee 90856 Factory Crimp Die do for .45-70 Government loads?

It crimps the bullet in place more firmly than a standard crimping tool, according to the product description.

Can this die be used with bullets that do not have a crimp groove or cannelure?

Yes. The description says bullets without a cannelure can shoot more accurately with the factory crimp die.

Does trim length have to be exact when using this die?

No. The product information states that trim length is not critical.

Is there any risk of buckling the case when using this die?

The listed features say it is impossible to buckle the case.

What cartridge is this factory crimp die made for?

It is made for .45-70 Government.