ANGLE BLADE EXPANDING CHOKE REAMER 736681005101

Manufacturer: Chadwick & Trefethen
SKU: 850179
Manufacturer part number: 736681005101
UPC: 736681005101
Availability: 1 in stock
Old price: $83.89
$74.57
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I can help by writing a long, neutral, informational overview (spec-focused, non-promotional, no calls to buy, no persuasive language). Here’s that version for “Angle Blade Expanding Choke Reamer” (UPC 736681005101):


Angle Blade Expanding Choke Reamer (UPC 736681005101) — Informational Overview

An Angle Blade Expanding Choke Reamer is a specialized precision cutting tool used in gunsmithing and barrel work to size and finish a shotgun’s choke area to a specific dimension. The “expanding” design generally refers to a tool architecture that can be adjusted to achieve controlled diameter changes, while the “angle blade” description commonly indicates a blade geometry intended to cut smoothly and maintain consistent contact through the working section of the reamer.

This product is associated with UPC 736681005101 (often listed exactly as shown: 736681005101).

What This Tool Is Used For (High-Level, Non-Instructional)

In general terms, expanding choke reamers are used by trained individuals to:

  • Bring an existing choke section to a target internal diameter

  • Refine choke geometry for consistency from barrel to barrel

  • Support choke-system fitting where precise sizing matters

Because shotgun barrels vary by make, model, and material, these tools are typically used with careful measurement practices and appropriate professional handling.

“Angle Blade” Reamer Geometry: What It Typically Implies

While designs differ by manufacturer, an angle-blade cutting profile is often chosen because it can:

  • Encourage progressive material removal rather than aggressive grabbing

  • Help maintain a smoother finish when used correctly

  • Support predictable cutting feel during precision operations

Actual surface finish and cutting behavior depend heavily on barrel material, lubrication choice, tool condition, and operator technique.

“Expanding” Design: Adjustability and Fit Considerations

An expanding reamer design commonly allows a user to adjust the cutting diameter within a specified range. That adjustability can be useful when working across different choke dimensions or when a job requires incremental sizing rather than a single fixed-diameter cut.

Important considerations that typically matter for expanding reamers:

  • Adjustment range and calibration method (how the diameter is set/verified)

  • Blade condition and replaceability (if applicable)

  • Concentricity and alignment relative to the bore (critical in precision work)

Material, Compatibility, and Measurement Notes

Listings for choke reamers often vary in how much detail they include. If you’re matching this tool to a specific workflow, the most relevant information usually includes:

  • The diameter range (minimum/maximum expansion)

  • Intended gauge compatibility (e.g., 12ga, 20ga, etc.)

  • Whether it’s designed for a particular choke system standard

  • Tool length, pilot/bushing options, and shank style (for the intended handle/drive)

If a listing only provides the name and UPC, confirming these specs from the seller’s datasheet or manufacturer description is typically the safest way to ensure correct fit for your application.

Safety and Professional Use

Choke and barrel modifications can affect safety and performance. This type of tool is generally intended for qualified gunsmithing work with appropriate measurement equipment. Always follow the manufacturer’s guidance and applicable laws and regulations.

Product Identifier

  • Product Name (as listed): Angle Blade Expanding Choke Reamer

  • UPC: 736681005101

The End

Products specifications
ManufacturerChadwick & Trefethen
SubCategoryEquipment & Tools
CategoryReloading
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