Cav Trooper Posted January 26, 2023 Report Share Posted January 26, 2023 Can standard 7.62x51 no/go and field headspace gages be used to check headspace on a M60 barrel? Link to comment Share on other sites More sharing options...
Frankford Posted August 16 Report Share Posted August 16 YES. However, civilian vs Military Go-NoGo-Field gages are variable. And different bolts may give different readings. If you have a not-close gap on a NO-GO gage, your GTG. If you close on a NO-GO gage, after trying 3-4 bolts, you may have a Field gage barrel. Close on FIELD means shot out and for emergency use against a WW Z attack. Link to comment Share on other sites More sharing options...
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