Description
- For use with .223 Remington and 223 Wylde Chambers. Not a 5.56 NATO NOGO, AR 5.56 NATO chambers using Milspec FA BCG require a 5.56 NATO NOGO gauge. A .223 NOGO will not gauge a 5.56 chamber correctly. Please see Amazon item B01GVXCORG for a 5.56 NATO NOGO.
- Precision Machined from hardened tool steel to last a lifetime of use.
- Must have Tool to check the chamber headspace. Made in USA , ISO9001 Quality Standard
- Headspace tolerance is ground to a very exacting ± 0.00015 in.
- Checks the new chamber headspace. SEE DESCRIPTION BELOW FOR USE.
The NO-GO gauge is used to measure the new chamber headspace. If the bolt closes on a NOGO gauge, it is out of the recommended new - good condition range, and should then be checked with a Field Gauge to determine if it is still safe headspace. This gauge ships only in the USA, No export or APO.