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Lee Precision

LEE 90144 CASE LENGTH GAUGE & SHELL HOLDER 303 BRITISH

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

Case Length

Gauge for .303 British cartridges

Trims Cases

To 2.202 to 2.222 inches

Helps Square

Case mouth during trimming

Used Cutter

Lock Stud or Zip Trim

Hardened Steel

Gauge for trimming setup

$7.59
List Price: $7.99
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SKU: 90144-734307901448

Overview

Designed for reloaders working with .303 British brass, this case length gauge provides a straightforward way to trim cases to length and square the case mouth. It is used with the Cutter and Lock Stud or Zip Trim, and the threaded shell holder helps secure the case during the trimming process. The listed trim length range is 2.202 to 2.222 inches. For shooters who want a simple, dedicated setup for case preparation, it offers a focused tool without extra complexity.

Why Hunters Choose the Lee Precision

Precise Way

To trim cases to length

Use Cutter

Lock Stud or Zip Trim

Trims 303

British cases to 2.202 to

Hardened Steel

Gauge adds a durable, purpose-built

Threaded Shell

Holder locks the case down

Key Features

  • Case length gauge for .303 British cartridges
  • Trims cases to 2.202 to 2.222 inches
  • Helps square the case mouth during trimming
  • Used with the Cutter and Lock Stud or Zip Trim
  • Hardened steel gauge for trimming setup
  • Threaded shell holder locks the case down

Best Used For

  • Handloaders trimming .303 British cases to a specific length range
  • Shooters using Lee Cutter and Lock Stud or Zip Trim tools
  • Users wanting a simple setup for squaring case mouths during trimming
  • Reloaders who prefer a dedicated gauge and shell holder for .303 British

Specifications

Caliber303 British
Case Mouth SquaringYes
Compatible ToolsCutter and Lock Stud; Zip Trim
Gauge MaterialHardened Steel
Product TypeCase Length Gauge & Shell Holder
Shell Holder TypeThreaded shell holder
Specifications And FeaturesHardened Steel Gauge; Threaded shell holder locks case down; Quickly and easily trim your cases!
Trim Length Maximum2.222 inches
Trim Length Minimum2.202 inches

Pros

  • Precise way to trim cases to length and square the case mouth
  • Designed for use with the Cutter and Lock Stud or Zip Trim
  • Trims 303 British cases to 2.202 to 2.222 inches
  • Hardened steel gauge adds a durable, purpose-built feel
  • Threaded shell holder locks the case down securely

Considerations & Trade-offs

  • Designed for use with the Cutter and Lock Stud or Zip Trim, so it is not a standalone trimming solution.
  • Trim length is fixed to the specified 2.202 to 2.222 inches range, which limits adjustment flexibility.
  • This is a caliber-specific tool for .303 British cases, so it will not serve other cartridges.
  • The product focuses on trimming and squaring the case mouth; additional case-prep steps require separate tools.

Suggested Comparisons

  • Case trimming tools
  • Shell holders
  • Reloading case gauges
  • Handloading accessories

Suggested Accessories

  • Case trimmer
  • Shell holder
  • Reloading cutter
  • Reloading bench accessory

Frequently Asked Questions

What cartridge is this case length gauge and shell holder made for?

It is made for .303 British cases.

What does this tool do during case prep?

It is used to trim cases to length and square the case mouth.

What trimming length range is listed for this gauge?

The listed trim-to length is 2.202 to 2.222 inches.

What tools does it work with?

It is used with the Cutter and Lock Stud or the Zip Trim.

What material is the gauge made from?

The product data lists a hardened steel gauge.