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Lee Precision

LEE 90163 CASE LENGTH GAUGE & SHELL HOLDER 45 COLT

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

Lee 45

Colt case length gauge for

Helps Square

Case mouth during trimming

Used Cutter

Lock Stud

Compatible Zip

The Zip Trim

Trims Cases

To 1.265 to 1.285 inches

$7.59
List Price: $7.99
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SKU: 90163-734307901639

Overview

This case length gauge is designed for .45 Colt handloading when consistent trimming and a squared case mouth are part of the process. It works with the Cutter and Lock Stud or Zip Trim, giving reloaders a straightforward way to bring cases to the specified 1.265 to 1.285 inch range. For hunters and shooters who value careful cartridge preparation, it offers a simple, purpose-built step in maintaining uniform brass.

Why Hunters Choose the Lee Precision

Precise Way

To trim .45 Colt cases

Helps Square

Case mouth during trimming

Works Cutter

The Cutter and Lock Stud

Also Compatible

The Zip Trim

Supports Defined

Trim range of 1.265 to

Key Features

  • Lee 45 Colt case length gauge for trimming brass to length.
  • Helps square the case mouth during trimming.
  • Used with the Cutter and Lock Stud.
  • Compatible with the Zip Trim.
  • Trims cases to 1.265 to 1.285 inches.

Best Used For

  • Reloaders trimming .45 Colt cases to the specified length range
  • Shooters using Lee Cutter and Lock Stud or Zip Trim systems
  • Handloaders wanting a simple gauge for case mouth squaring
  • Users who prefer a straightforward, caliber-specific trimming setup

Specifications

Case Length Range1.265 to 1.285 inches
Compatible ToolsCutter and Lock Stud or Zip Trim
FunctionTrim to length and square the case mouth
Gaugecaliber45 Colt

Pros

  • Provides a precise way to trim .45 Colt cases to length
  • Helps square the case mouth during trimming
  • Works with the Cutter and Lock Stud
  • Also compatible with the Zip Trim
  • Supports a defined trim range of 1.265 to 1.285 inches

Considerations & Trade-offs

  • Designed specifically for .45 Colt cases, so it is not a general-purpose gauge for other cartridges.
  • It is intended to be used with the Cutter and Lock Stud or Zip Trim, so it is not a standalone trimming solution.
  • The gauge sets a trim-to-length range of 1.265 to 1.285 inches, which means it is a sizing aid rather than a tool for adjusting beyond that specification.

Suggested Comparisons

  • Case length gauges
  • Shell holders
  • Case trimmers
  • Reloading tools

Suggested Accessories

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

Frequently Asked Questions

What is the Lee 90163 Case Length Gauge & Shell Holder 45 Colt used for?

It is used to trim .45 Colt cases to length and square the case mouth.

What trimming range does this gauge set for .45 Colt cases?

The listed trim-to-length range is 1.265 to 1.285 inches.

What tools does this case length gauge work with?

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

Does the product description specify any material or construction details?

No. The provided product data does not list material or construction details.

Is this product specific to .45 Colt cases?

Yes. The title and description identify it as a .45 Colt case length gauge and shell holder.