Don't say I don't try hard for you. The CHS for an Ishapore 2A1 is (They call it LOW) is GO 1.633" and HIGH or NO-GO is 1.642.
Now the observant of you will immediately see that this just about/almost/nearly/neatly inside the 7.62mm L1A1 limits of 1.6325 and 1.643". It's a bit higher that I would have expected from a bolt action rifle BUT, it is still the generally accepted .010" between go and no-go.
I don't know whether these gauges are in the current Armourers gauging sets (any idea Tankie, Son or Skippy.....?) but I'll have a look and see..........Information
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