Gunsmith Tools & SuppliesBrownellsSold by Brownells

Brownells

Blank Blocks - Complete Blank Block Action Wrench

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

Steel Base/handle

Unit included for building a

One Blank

Interchangeable head is included for

Gunsmiths Needing

Wrench solution for non-listed firearm

Blank Interchangeable-head

Block is available separately for

Drilled Block

Design supports bolt attachment in

$99.99
View on Brownells

You'll be taken to Brownells to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: 080800990

Overview

Built for gunsmithing tasks that call for a custom fit, this wrench set provides a steel base/handle unit with one blank interchangeable head for adapting to rifles or handguns not covered by standard options. It is intended for users who need to create a wrench matched to a specific action rather than rely on a fixed-size tool. The blank, interchangeable-head block is drilled for bolts and can be used separately to build two-piece head systems. For shops or serious home gunsmiths working on varied firearms, it offers a practical starting point when a dedicated wrench is needed.

Why Hunters Choose the Brownells

Steel Base

Handle unit provides a solid

Includes One

Blank interchangeable head for fitting

Gunsmiths Needing

Customizable action wrench solution

Blank Interchangeable-head

Block is available separately for

Useful When

Standard listed wrench does not

Key Features

  • Steel base/handle unit included for building a custom action wrench setup.
  • One blank interchangeable head is included for fitting rifles or handguns not listed.
  • Designed for gunsmiths needing a wrench solution for non-listed firearm actions.
  • Blank interchangeable-head block is available separately for two-piece head systems.
  • Drilled block design supports bolt attachment in custom wrench configurations.

Best Used For

  • Gunsmiths needing a customizable wrench for rifles or handguns not specifically listed
  • Users building a two-piece head system with the separately available blank interchangeable-head block
  • Shop work requiring a steel base/handle unit with a blank interchangeable head
  • Experienced firearm owners who need a fitted wrench for uncommon or nonstandard actions

Specifications

Basehandle UnitIncluded
Blank Interchangeable HeadIncluded
Blank Interchangeable Head BlockIncluded
Drilled For BoltsYes
Fits Virtually Any Rifle Or Handgun Not ListedYes
Gunsmith UseYes
Interchangeable Head Count1
Steel Basehandle UnitSteel
Two Piece Head SystemsSupported

Pros

  • Steel base and handle unit provides a solid foundation for custom wrench setup.
  • Includes one blank interchangeable head for fitting many unlisted rifle or handgun actions.
  • Designed for gunsmiths needing a customizable action wrench solution.
  • Blank interchangeable-head block is available separately for two-piece head systems.
  • Useful when a standard listed wrench does not match the firearm action.

Considerations & Trade-offs

  • Designed as a gunsmithing tool, so it requires fitting work before it can serve a specific rifle or handgun not already listed.
  • The package includes one blank interchangeable head, which means additional blank blocks may be needed for two-piece head systems.
  • Because it is a blank, interchangeable-head setup, it is more adaptable than a fixed wrench but less ready-to-use out of the box.

Suggested Comparisons

  • Gunsmithing wrench sets
  • Interchangeable-head action wrenches
  • Blank wrench blocks
  • Rifle and handgun maintenance tools

Suggested Accessories

  • Gunsmithing vise
  • Action wrench head blocks
  • Bench block
  • Torque wrench

Frequently Asked Questions

What is included with the Complete Blank Block Action Wrench?

The product includes a steel base/handle unit and one blank interchangeable head.

What is this wrench designed to do?

It is designed to let a gunsmith make a wrench to fit virtually any rifle or handgun not listed.

Is this a finished, ready-to-fit wrench for a specific firearm?

No. The description indicates it uses a blank interchangeable head, so it is intended to be adapted by a gunsmith rather than matched to a specific listed firearm.

Can additional blank blocks be purchased separately?

Yes. The description says a blank, interchangeable-head block drilled for bolts is available separately for creating two-piece head systems.

Who makes this product?

The manufacturer listed is Brownells.