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Brownells

Revolver Action Wrench Heads For S&W - Action Wrench Head Only For S&W K Frame

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

Interchangeable Action

Wrench head for S&W K

Designed Fit

Brownells Action Wrench System handle

No-mar Aluminum

Head helps prevent twisting and

Completely Surrounds

Supports the frame during use

Action Wrench

Head only; base/handle sold separately

$40.99
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SKU: 080851002

Overview

This interchangeable wrench head is designed for use with Smith & Wesson K Frame revolvers as part of the Brownells Action Wrench System. It fully surrounds and supports the frame with no-mar aluminum heads, helping reduce the risk of twisting and gouging during action work. For users who already have the Brownells handle, it offers a model-specific head without requiring a complete new setup. It is a practical choice for gunsmithing tasks where controlled support of the revolver frame matters.

Why Hunters Choose the Brownells

No-mar Aluminum

Heads are designed to prevent

Completely Surrounds

Supports the frame during use

Compatible Existing

An existing Brownells Action Wrench

Interchangeable Head

Design supports adding other handgun

Available As

Head-only option for S&W K

Key Features

  • Interchangeable action wrench head for S&W K Frame revolvers
  • Designed to fit the Brownells Action Wrench System handle
  • No-mar aluminum head helps prevent twisting and gouging
  • Completely surrounds and supports the frame during use
  • Action wrench head only; base/handle sold separately

Best Used For

  • Gun owners needing a dedicated action wrench head for S&W K Frame revolvers
  • Users already owning a Brownells Action Wrench System handle and adding one model-specific head
  • Gunsmiths seeking a no-mar setup that fully surrounds and supports the frame
  • Shooters assembling a modular wrench system for multiple handgun and rifle heads

Specifications

Basehandle Unit Diameter1 in (2.5 cm)
Basehandle Unit Length12 3/4 in (31 cm)
Basehandle Unit MaterialSteel, blued
Complete Wrench IncludesBase/Handle and heads for one gun model, bolts and instructions
Interchangeable Heads Length5-1/5 in (14 cm)
Interchangeable Heads MaterialAluminum
Interchangeable Heads Size3/4 in (19 mm) square

Pros

  • No-mar aluminum heads are designed to prevent twisting and gouging of the frame.
  • Completely surrounds and supports the frame during use.
  • Compatible with an existing Brownells Action Wrench System handle.
  • Interchangeable head design supports adding other handgun and rifle heads.
  • Available as a head-only option for S&W K Frame use.

Considerations & Trade-offs

  • This is the action wrench head only, so it requires an existing Brownells Action Wrench System handle to use.
  • It is made for S&W K Frame revolvers specifically, so it is not a universal head for other handgun or rifle models.
  • The no-mar aluminum head is designed to support the frame and help avoid twisting and gouging, but it is still a specialized service tool rather than a general-purpose wrench.
  • If you need a full setup, the base/handle and installation hardware are not included with this head-only listing.

Suggested Comparisons

  • Handgun maintenance tools
  • Interchangeable gunsmithing wrench systems
  • Revolver-specific service accessories
  • Rifle maintenance tools

Suggested Accessories

  • Gun cleaning kit
  • Bench vise
  • Gunsmithing screwdriver set
  • Torque wrench

Frequently Asked Questions

What does this product include?

This listing is for the action wrench head only for S&W K Frame. The complete Brownells Action Wrench System handle is not included here.

Will these heads work with an existing Brownells Action Wrench handle?

Yes. The description says the interchangeable heads fit an existing Brownells Action Wrench System handle.

What is the purpose of the no-mar aluminum heads?

They are described as special no-mar aluminum heads designed to completely surround and support the frame and help prevent twisting and gouging.

Is this a complete wrench or just a replacement head set?

It is just the interchangeable head set for the S&W K Frame. The product description notes that the complete unit includes the base/handle, heads, bolts, and instructions, but this listing is the head only.

What brand makes this action wrench head?

The manufacturer listed is Brownells.