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Revolver Cylinder Gauges - 60/66 Revolver Cylinder Gauge
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$24.99
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SKU: 080633666
Overview
This double-ended headspace gauge is designed for checking .38/.357 revolvers with non-recessed cylinder chambers, giving a quick GO/NO GO assessment before a gun goes back into use. It is intended for revolvers with the same specifications as the listed Ruger and S&W models, making it a practical bench tool for maintenance and inspection work. The gauge helps identify conditions that can lead to misfires, ruptured cases, or jamming, so it is useful for shooters who want a straightforward check on cylinder fit. Made as a hardened, ground tool steel gauge, it is a compact shop accessory rather than a field-use item.
Why Hunters Choose the Brownells
Double-ended Go/no
GO design simplifies revolver headspace
Checks Headspace
On many popular .38/.357 revolvers
Compatible Ruger
Ruger S.A. and D.A. 60-66
Also Fits
S&W 60-68 and other same-spec
Helps Identify
Headspace conditions that can cause
Key Features
- GO/NO GO headspace gauge for many popular revolvers
- Double-ended design checks headspace quickly and accurately
- Fits .38/.357 revolvers with non-recessed cylinder chambers
- Works on Ruger S.A. and D.A. 60–66 models
- Also fits S&W 60–68 and others with the same GO/NO GO specs
- Hardened, ground tool steel construction
Best Used For
- Owners of .38/.357 revolvers with non-recessed cylinder chambers needing headspace checks
- Ruger S.A. and D.A. 60-66 revolver users verifying GO and NO GO dimensions
- Smith & Wesson 60-68 revolver owners checking cylinder headspace before use
- Gunsmiths and detail-oriented shooters diagnosing misfires, ruptured cases, or jamming concerns
Specifications
| Case Rim Recess Compatibility | Not recessed for the case rim |
|---|---|
| Compatibility | Any .38/.357 revolver whose cylinder chambers are not recessed for the case rim |
| Dimensions | 3 in x 7/16 in (7.6 cm x 11.1 mm) |
| Double Ended | Yes |
| Gauge Type | GO/NO GO headspace gauge |
| Headspace Check | Yes |
| Material | Hardened, ground tool steel |
| Revolver Models | Ruger S.A. and D.A. (60-66), S&W (60-68) and others with same GO and NO GO specs |
Pros
- Double-ended GO/NO GO design simplifies revolver headspace checks
- Checks headspace on many popular .38/.357 revolvers
- Compatible with Ruger S.A. and D.A. 60-66 models
- Also fits S&W 60-68 and other same-spec revolvers
- Helps identify headspace conditions that can cause misfires or jamming
- Hardened, ground tool steel construction
Considerations & Trade-offs
- Designed for .38/.357 revolvers with non-recessed cylinder chambers, so it is not a universal gauge for all revolver setups.
- Compatibility is limited to revolvers that match the listed GO and NO GO specifications, including certain Ruger and S&W models.
- This is a diagnostic tool rather than a repair solution; it checks headspace but does not correct an out-of-spec cylinder.
- The double-ended GO/NO GO format requires the user to interpret results carefully to determine whether headspace is within spec.
Suggested Comparisons
- Revolver headspace gauges
- Revolver maintenance tools
- Handgun inspection gauges
- Gunsmithing measuring tools
Suggested Accessories
- Cleaning brush
- Gun vise
- Revolver maintenance kit
- Feeler gauge set
Frequently Asked Questions
What revolvers is this gauge intended for?
It is designed for many popular .38/.357 revolvers whose cylinder chambers are not recessed for the case rim. The description specifically mentions Ruger S.A. and D.A. (60-66), S&W (60-68), and others with the same GO and NO GO specs.
What does this gauge check?
It is a GO/NO GO headspace gauge for revolver cylinders. The product description says it quickly and accurately checks headspace.
Will it work on all .38/.357 revolvers?
No. The description says it works on .38/.357 revolvers whose cylinder chambers are not recessed for the case rim. Revolvers outside that configuration are not identified as compatible in the provided data.
Why is checking headspace important?
The description states that too much headspace can cause misfires and/or ruptured cases, while too little can cause jamming.
What are the listed specifications?
The provided specs list the gauge at 3 inches (7.6 cm) by 7/16 inch (11.1 mm), and describe it as hardened, ground tool steel.