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LEE 90143 GAGE/HOLDER 300 WEATHERBY
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 90143-734307901431
Overview
Built for reloaders working with .300 Weatherby brass, this case length gauge provides a straightforward way to trim cases to the proper length and square the case mouth. It is designed for use with the Cutter and Lock Stud or Zip Trim, and the threaded shell holder helps secure the case during trimming. The gauge is intended to trim to 2.813 to 2.825 inches, making it a practical bench tool for maintaining consistent case length. For hunters who reload their own ammunition, it offers a simple, purpose-specific setup without unnecessary complexity.
Why Hunters Choose the Lee Precision
Precise Case
Length gauge for 300 Weatherby
Helps Trim
Cases to length and square
Works Cutter
Cutter and Lock Stud or
Threaded Shell
Holder locks the case down
Hardened Steel
Gauge for durable shop use
Key Features
- Lee 300 Weatherby case length gauge for trimming brass to length.
- Helps square the case mouth during trimming.
- Used with the Cutter and Lock Stud or Zip Trim.
- Trims cases to 2.813 to 2.825 inches.
- Hardened steel gauge with threaded shell holder that locks the case down.
Best Used For
- Handloaders trimming .300 Weatherby cases to a consistent length for reloading preparation
- Shooters using Lee Cutter and Lock Stud or Zip Trim for simple case-length setup
- Reloaders who want a gauge-based method to square the case mouth during trimming
- Hunters maintaining .300 Weatherby brass with a straightforward, dedicated case-length tool
Specifications
| Compatible Cartridge | 300 Weatherby |
|---|---|
| Material | Hardened Steel |
| Product Type | Case Length Gauge |
| Threaded Shell Holder | Yes |
| Trim Length Maximum | 2.825 inches |
| Trim Length Minimum | 2.813 inches |
| Used With | Cutter and Lock Stud or Zip Trim |
Pros
- Precise case length gauge for 300 Weatherby trimming
- Helps trim cases to length and square the case mouth
- Works with Cutter and Lock Stud or Zip Trim
- Threaded shell holder locks the case down securely
- Hardened steel gauge for durable shop use
Considerations & Trade-offs
- Designed specifically for .300 Weatherby cases, so it is not a general-purpose trimming solution for other cartridges.
- It is a case length gauge and holder, not a complete trimming setup; it must be used with the Cutter and Lock Stud or Zip Trim.
- The trim range is fixed at 2.813 to 2.825 inches, which leaves little flexibility outside that specification.
- Its role is focused on trimming to length and squaring the case mouth, so it does not add other case-prep functions.
Suggested Comparisons
- Case length gauges
- Case trimmers
- Shell holders
- Reloading accessories
Suggested Accessories
- Case trimmer
- Case holder
- Reloading cutter
- Zip trim tool
Frequently Asked Questions
What is the Lee 90143 Gage/Holder 300 Weatherby used for?
It is a case length gauge for 300 Weatherby brass. The product description says it is used to trim cases to length and square the case mouth.
What trimming range does this gauge support?
The source data lists a trim-to length of 2.813 to 2.825 inches.
What tools does this gauge work with?
It is used with the Cutter and Lock Stud or the Zip Trim.
Does this product include a shell holder?
The description says it has a threaded shell holder that locks the case down.
What material is the gauge made from?
The product information states that the gauge is made from hardened steel.