Case PreparationAct ColemanSold by Brownells

Act Coleman

Trim-It Ii Case Trimmer - .534'''' Diameter Caliber Die

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

Mounts Any

Standard drill or drill press

Adjustable 3-way

Cutter trims, chamfers, and de-burrs

3-sided Carbide

Rifle and pistol brass

Built-in Micrometer

Accurate cut-length control

Quick-adjust Design

Helps speed up trimming setup

$24.99
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SKU: 100017719

Overview

Designed to streamline brass prep, this case trimmer mounts to any standard drill or drill press for a faster trimming setup at the bench. Its adjustable 3-way cutter is built to trim, chamfer, and de-burr rifle or pistol brass, while the built-in micrometer provides precise cut-length control and easy adjustment. Because it is not caliber specific, it can serve a wide range of reloaders, with interchangeable dies available separately for different applications. It is a practical choice for hunters and shooters who want a more efficient way to prepare brass without adding unnecessary complexity.

Why Hunters Choose the Act Coleman

Mounts Any

Standard drill or drill press

Adjustable 3-way

Cutter trims, chamfers, and de-burrs

3-sided Carbide

Blade supports multiple brass prep

Built-in Micrometer

Accurate cut-length control

Not Caliber

Specific; interchangeable dies available separately

Key Features

  • Mounts to any standard drill or drill press for case trimming.
  • Adjustable 3-way cutter trims, chamfers, and de-burrs brass.
  • 3-sided carbide blade supports use with rifle and pistol brass.
  • Built-in micrometer provides accurate cut-length control.
  • Quick-adjust design helps speed up trimming setup.
  • Not caliber specific; interchangeable dies are sold separately.

Best Used For

  • Hunters who trim rifle or pistol brass with a standard drill or drill press
  • Reloaders wanting one tool for trimming, chamfering, and deburring brass
  • Users needing adjustable cut-length control for repeated case preparation
  • Non-caliber-specific setups where interchangeable dies are purchased separately

Specifications

Blade Type3-sided carbide blade
Built In MicrometerYes
Caliber SpecificNot caliber specific
Cut Length ControlSupremely accurate
Cutter TypeAdjustable 3-way cutter
Die Diameter.534''''
FunctionsTrim, chamfer, and de-burr
Interchangeable DiesAvailable, sold separately
Mounting CompatibilityAny standard drill or drill press

Pros

  • Mounts to any standard drill or drill press for easier case trimming
  • Adjustable 3-way cutter trims, chamfers, and de-burrs brass
  • 3-sided carbide blade supports multiple brass prep steps
  • Built-in micrometer provides accurate cut-length control
  • Not caliber specific; interchangeable dies available separately

Considerations & Trade-offs

  • Requires a standard drill or drill press, so it is not a standalone hand tool.
  • Interchangeable dies are sold separately, which adds cost if you want to use it across multiple calibers.
  • The .534" diameter caliber die is one part of the system, so compatibility depends on having the correct die for the brass you are trimming.
  • Designed for trimming, chamfering, and de-burring, but it is still a bench-style setup rather than a portable field tool.

Suggested Comparisons

  • Case trimmer accessories
  • Reloading case preparation tools
  • Rifle brass trimming tools
  • Pistol brass trimming tools

Suggested Accessories

  • Drill press
  • Reloading bench vise
  • Case cleaning equipment
  • Caliber-specific interchangeable dies

Frequently Asked Questions

What does the Trim-It II mount to, and what does that mean for setup?

It mounts to any standard drill or drill press. The product data does not provide additional setup steps or accessory requirements.

Is this trimmer caliber-specific?

No. The TRIM-IT II is not caliber specific. Interchangeable dies are available separately, but the product data does not list which dies are included with this item.

What operations can the cutter perform?

The adjustable 3-way cutter is described as able to trim, chamfer, and de-burr rifle or pistol brass.

How is cut length adjusted?

It includes a built-in micrometer for cut-length control and quick adjustability. The source does not provide a measurement range or calibration details.

Does the package include interchangeable dies?

The description says interchangeable dies are available, but sold separately. The included die configuration for this specific item is not detailed in the provided data.