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Brownells

1911 Barrel Alignment Gauge - .38 Super/9mm 1911 Barrel Align Gauge

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

Fast Check

For proper lug engagement and

Barrel Fitting

Aid for gunsmiths

Useful As

Used-gun checker for dealers

Rod Slides

Down the barrel to verify

Centered Tip

Drops into the firing pin

$35.99
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SKU: 080804038

Overview

This alignment gauge is a practical fitting aid for checking lug engagement and firing pin alignment on .38 Super/9mm 1911 barrels. It is intended for gunsmith work and for evaluating used guns, giving a quick visual indication of whether the barrel and breech face are properly aligned. The set includes all three gauges, and the long steel rod design is meant to slide through the barrel for a straightforward check. For serious 1911 work, it offers a simple diagnostic step before moving on to more involved fitting or inspection.

Why Hunters Choose the Brownells

Fast Check

For proper lug engagement and

Useful As

Barrel fitting aid for the

Helpful Used-gun

Checker for dealers

Rod Design

Allows the centered tip to

Layout Fluid

On the breech face helps

Key Features

  • Fast check for proper lug engagement and firing pin alignment.
  • Barrel fitting aid for gunsmiths.
  • Useful as a used-gun checker for dealers.
  • Rod slides down the barrel to verify alignment.
  • Centered tip drops into the firing pin hole on a properly fitted factory barrel.
  • Set includes all three gauges.

Best Used For

  • Gunsmiths checking proper lug engagement and firing pin alignment during 1911 barrel fitting.
  • Dealers evaluating used .38 Super or 9mm 1911 pistols for barrel alignment issues.
  • Owners of factory-barrel 1911s wanting a quick alignment check before further work.
  • Shop users who need a simple visual aid for confirming breech-face and firing-pin-hole alignment.

Specifications

Centerless Ground SteelYes
Compatible Caliber.38 Super/9mm
Length8.5 in (21 cm)
Set IncludesAll three gauges

Pros

  • Fast check for proper lug engagement and firing pin alignment
  • Useful as a barrel fitting aid for the gunsmith
  • Helpful used-gun checker for dealers
  • Rod design allows the centered tip to drop into the firing pin hole on properly fitted factory barrels
  • Layout fluid on the breech face helps show exact alignment
  • Set includes all three gauges

Considerations & Trade-offs

  • Designed for .38 Super/9mm 1911 barrels only, so it is not a universal alignment check for other chamberings or platforms.
  • It is a fitting and inspection aid rather than a repair solution; it helps verify alignment but does not correct lug or firing pin hole issues.
  • Use depends on proper setup and interpretation, including the optional use of layout fluid to mark the breech face.
  • The set includes all three gauges, which adds coverage but also means you are buying a specialized tool set for a narrow task.

Suggested Comparisons

  • 1911 barrel fitting gauges
  • 1911 gunsmithing tools
  • used handgun inspection tools
  • firearm alignment gauges

Suggested Accessories

  • Gunsmithing tools
  • Cleaning supplies
  • Bench block
  • Layout fluid

Frequently Asked Questions

What is this gauge used for on a 1911 in .38 Super or 9mm?

It is a barrel fitting aid used to check proper lug engagement and firing pin alignment on a 1911 barrel.

How does the gauge indicate proper fit?

The rod slides down the barrel, and the centered tip drops into the firing pin hole on a properly fitted factory barrel. The description also notes that a little layout fluid on the breech face shows exact alignment.

Is this intended only for gunsmiths?

The product is described as a valuable barrel fitting aid for the gunsmith and also as a useful "used gun" checker for the dealer.

What does the set include?

The set includes all three gauges.

What specifications are provided for this gauge?

The listed specifications are centerless ground steel and an overall length of 8 1/2 inches (21 cm).