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SaleOFF

CLYMER CLYMER NO-GO HEADSPACE GAUGES

34 Reviews
Cartridge
300 AAC Blackout
204 Ruger
5.56x45 NATO
224 Valkyrie
6.5 Creedmoor
221 Remington Fireball
22 Long Rifle
22 BR Remington
17 HMR
223 Remington
22-250 Remington
308 Winchester
300 Winchester Short Magnum
300 Savage
7x57mm Mauser
6.5x55mm Swedish Mauser
30-30 Winchester
303 British
300 Remington Ultra Magnum
30-06 Springfield
Belted Magnums
45-70 Government
9mm Luger
30 Carbine
32-20 Winchester
357 Magnum
38 Super
40 S&W
44 Magnum
45 ACP
7.62x39mm
7.62x54R
12 Gauge
20 Gauge
Brownells #
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$26.99 - $45.00$33.00

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Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
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  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

CLYMER NO-GO HEADSPACE GAUGES

The Clymer No-Go Headspace Gauges are precision tools designed to help gunsmiths and firearm enthusiasts verify that a firearm's chamber does not exceed the maximum safe headspace dimensions. By identifying excessive chamber length, these gauges prevent potential safety hazards such as case ruptures or misfires, ensuring the firearm operates within the specified tolerances. They are essential during the chambering of new barrels, routine maintenance, or when assessing used firearms for purchase.


Key Features:

  • Precision Machining: Each gauge is crafted from high-quality steel and machined to exact SAAMI specifications, ensuring accurate and reliable measurements.

  • Caliber Specificity: Available in a wide range of calibers, these gauges cater to various firearm types, providing versatility for gunsmiths working with multiple platforms.

  • Durable Construction: Built to withstand repeated use, the hardened steel construction ensures longevity and consistent performance in demanding workshop environments.

Specifications:

  • Material: Hardened steel

  • Dimensions: Size varies with caliber and gauge style

  • Compliance: Manufactured to SAAMI specifications

Customer Insights:

Customers value the Clymer No-Go Headspace Gauges for their precision and reliability. The accurate machining and adherence to industry standards provide confidence during firearm assembly and inspection processes. Users appreciate the wide range of available calibers, allowing them to select the appropriate gauge for their specific needs. The durable construction is frequently highlighted, with many noting that the gauges maintain their accuracy even after extensive use.



Incorporating the Clymer No-Go Headspace Gauges into your gunsmithing toolkit ensures that your firearm chambers are within safe operational limits, enhancing both safety and performance.

Specifications

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Restriction

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Customer Reviews
4.6
34 reviews
82%
(28)
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REVIEWS
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34 Reviews
Emilio I.
July 23, 2020
For peace of mind
When changing barrels on an AR-10, I realized that I had no way to check headspace.before firing it.A cartridge will do for a Go gauge, but a No-Go gauge is safer than a field gauge to start with.When used in an action like a Mauser or Model 70 there is nothing to do before trying to chamber it, but with an AR you should remove extractor and ejector beforehand.
Was This Review Helpful?
GT A.
October 08, 2020
300 Savage headspace gauge NO-GO
No big trick to using it, Just put it in the chamber and close the bolt/lever on it.If it won't close your fine.If it closes, your gun is outside of specifications.
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John
March 03, 2021
Excellent
This has the relief cut, no need to remove the ejector.
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Nuffin
March 18, 2022
Very good product, works well.
Very good product, works well.
Was This Review Helpful?
Vic
March 09, 2017
Safety First
I purchase this Gauge after trying to locate a gunsmith near where I lived and worked to check the head space on my AR build.It was cheaper than a 2-3 hour drive and it work as it was designed.
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36 Questions
J
J
Jim
April 04, 2023
Can the Clymer 308 Win Go & NoGo guages be used to check headspace on 243 Win barrels?
Was This Question Helpful?
10
C
C
Customer CareCompany Answer
April 05, 2023

 You aren't missing anything, they are the same gauge. .308 works for .243, .260 and we believe a few others as well.

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10
R
R
Rud Yak
November 10, 2022
Do you offer a GO guage for the .30 carbine?
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00
C
C
Customer Care
February 07, 2023

Yes  

184-100-350WB 30 M1 CARBINE GO GAUGE

Mfr Part: G030M1CARB

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00
C
C
Clay
March 01, 2022
Will this gage work for a PKM, as Ive also seen the different style coin type gages? Thanks
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Customer Care
March 01, 2022

Yes. This will work for any firearm chambered in 7.62x54 Russian.

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Jamie
February 26, 2022
Will this guage work for a 8mm rem mag and do you have the matching go guage for the 8mm rem mag?
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Customer Care
February 28, 2022

Yes, it will.  Go gauge = 184-100-320WB Belted Magnum Go Gauge

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whit
February 23, 2022
i am looking for go, no go guage for .338 win mag is this one a match?
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Customer Care
February 23, 2022

Yes.

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1575 precision
December 25, 2021
Does this also spec to work with 7mm WSM?
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C
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Customer Care
December 30, 2021

Yes it will.

 

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N
December 20, 2021
Am I correct that the Ackley Improved chamber headspaces the same as the standard 22-250 chamber?
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C
C
Customer Care
December 20, 2021

No, they are not. The case length on the 22/250 Ackley Improved is 1.892" and the shoulder angle is 40 degrees vs. the 22/250 Remington 1.912" case length with shoulder angle of 28 degrees.

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Freddy
August 01, 2021
Will this work for a 30BR
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C
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Customer Care
October 29, 2021

Yes>

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Sarah Smith
May 22, 2021
Website titles this as 375 magnum gauge.
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C
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Customer Care
September 21, 2021

no go gauge

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Dan
May 20, 2021
Is there a reason that there is not a GO gauge by Clymer also listed?
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C
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Customer Care
September 21, 2021

because this is the section for no go gauges not the go gauge section.

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