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LEE 90137 GAGE/HOLDER 30-40 KRAG
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SKU: 90137-734307901370
Overview
For reloaders working with 30-40 Krag brass, this case length gauge is designed to help trim cases to length and square the case mouth with a straightforward setup. It is used with the Cutter and Lock Stud or Zip Trim, and the gauge is specified for trimming to 2.294 to 2.314 inches. The threaded shell holder locks the case down during use, supporting a more controlled trimming process. It is a practical bench tool for shooters who want a simple, purpose-built way to prepare cases.
Why Hunters Choose the Lee Precision
Precise Way
To trim 30-40 Krag cases
Use Cutter
Lock Stud or Zip Trim
Trims Cases
To the specified 2.294 to
Hardened Steel
Gauge adds durable construction
Threaded Shell
Holder locks the case down
Key Features
- Case length gauge for 30-40 Krag brass
- Helps trim cases to length and square the case mouth
- Used with the Cutter and Lock Stud or Zip Trim
- Trims to 2.294 to 2.314 inches
- Hardened steel gauge construction
- Threaded shell holder locks the case down
Best Used For
- Handloaders trimming 30-40 Krag cases to a consistent length range
- Reloaders using a Cutter and Lock Stud or Zip Trim setup
- Shooters needing a simple gauge to square case mouths during trimming
- Users wanting a threaded shell holder that locks cases down securely
Specifications
| Case Mouth Squaring | Yes |
|---|---|
| Compatible Cartridge | 30-40 Krag |
| Material | Hardened Steel |
| Product Type | Case Length Gauge |
| Quick Trim Feature | Yes |
| Threaded Shell Holder | Yes |
| Trim Length Maximum | 2.314 inches |
| Trim Length Minimum | 2.294 inches |
| Used With | Cutter and Lock Stud |
| Used With 2 | Zip Trim |
Pros
- Precise way to trim 30-40 Krag cases to length and square the case mouth
- Designed for use with the Cutter and Lock Stud or Zip Trim
- Trims cases to the specified 2.294 to 2.314 inch range
- Hardened steel gauge adds durable construction
- Threaded shell holder locks the case down securely
- Quick and easy case trimming setup
Considerations & Trade-offs
- Designed specifically for 30-40 Krag cases, so it is not a general-purpose trimming solution.
- Requires use with the Cutter and Lock Stud or Zip Trim, so it is an accessory rather than a standalone tool.
- Trim length is set to 2.294 to 2.314 inches, which leaves only a narrow adjustment range within that specification.
- Intended for case-length trimming and squaring the mouth, not for other case-prep tasks.
Suggested Comparisons
- Case length gauges
- Case trimmers
- Shell holders
- Reloading accessories
Suggested Accessories
- Case trimmer
- Shell holder
- Reloading press
- Case deburring tool
Frequently Asked Questions
What is the Lee 90137 Gage/Holder 30-40 Krag used for?
It is a case length gauge for the 30-40 Krag, used to trim cases to length and square the case mouth.
What trimming tools does this gauge work with?
The product data says it is used with the Cutter and Lock Stud or Zip Trim.
What case length range does it trim to?
The listed trim-to length range is 2.294 to 2.314 inches.
What material is the gauge made from?
The provided specifications list it as hardened steel.
Does this product include a shell holder function?
Yes. The description says it has a threaded shell holder that locks the case down.