5.56 Max CHAMBER Headspace gauge with our new color coded gauges available only from AR Specialties. (Please see Amazon item B01H6GSQM4 for a 5.56 Min and Max set)
For use with all 5.56 NATO Chambers, Not for use in .223 remington chambers.
5.56 NATO MAX - 1.4736" length (maximum 5.56 chamber)
Made in USA , ISO9001 Quality Standard. Precision Machined from hardened tool steel
Checks the Max allowable chamber headspace. SEE DESCRIPTION BELOW FOR USE.
The 5.56 NATO MAX gage is used to measure the maximum allowable 5.56 chamber headspace. If the bolt closes on the MAX Gage it is considered unsafe headspace and should be taken out of service for repair. This is the 5.56 spec 1.4736" gage, and not the SAAMI .223 Field spec, so it is Not for use in any .223 remington chambers.
AR Specialties LLC
Most Helpful Customer Reviews
This is what you need in a 5.56 AR build! Really fast shipping. For 5.56, only use a GO gauge and a FIELD gauge. A .223 NO GO gauge is too short for a 5.56 because of the slight differences in the neck of the cartridge.
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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