Headspace Guages

[emma b]

Hello again from Vancouver. I'm in the process of tracking down some gauges too but now I'm all mixed up. I was on the Numerich site which has them listed, but instead of listing one caliber they mention many sizes. So for example .308 will also fit .243, .358, 7mm08 and 7.62 Nato. I suppose the chamber length on these would be the same. But, .308 and Nato don't have the same Go anyway. I understand (probably incorrectly) that 7.62 GO, or a "proper fit" in laymans terms, starts close to or at the .308 NO GO or a loose fit. (between the bolt and chamber face). Right or wrong. Any body with some thoughts out there to clarify this would be appreciated. Thanks. PS I didn't see any 54R gauges but they do have 8X57 maus and 303brit and 7mm maus for 27.00 ea .Cheers