描述
- Precision Machined from hardened tool steel to last a lifetime of use
- Must have tool to check the chamber headspace.
- Headspace tolerance is ground to a very exacting ± 0.00015 in.
- Made in USA , ISO9001 Quality Standard
- For all .303 British Chambers, see description below.
The Field gauge is used to measure the absolute maximum allowable, safe chamber headspace. If the bolt closes on the Field Gauge it is considered unsafe and should be taken out of service for repair. This gauge ships only in the USA, No export or APO.