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Rifles, Reloading, Optics, Equipment
Gunsmithing
Go no-go gauges
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<blockquote data-quote="shortgrass" data-source="post: 1189236" data-attributes="member: 24284"><p>That's probably OK, as long as the NO-GO is used, too. A GO gauge with tape is NOT a NO-GO gauge. "Shimming" the GO gauge can tell you how close you are to minimum SAAMI headspace (the GO gauge). I use steel shim stock with a dab of light grease on the GO gauge, AND then the NO-GO gauge, too. It's call CYA. Check and double check. Headspacing a barrel involves more than potential accuracy and brass life, safety should always be the main concern. Would a inspector in a machine shop opt to rig a GO gauge, and forgo using the certified NO-GO gauge before delivering to the customer? (who will use his inspector and gauges to varify that the parts he ordered are to spec, before accepting those parts)</p></blockquote><p></p>
[QUOTE="shortgrass, post: 1189236, member: 24284"] That's probably OK, as long as the NO-GO is used, too. A GO gauge with tape is NOT a NO-GO gauge. "Shimming" the GO gauge can tell you how close you are to minimum SAAMI headspace (the GO gauge). I use steel shim stock with a dab of light grease on the GO gauge, AND then the NO-GO gauge, too. It's call CYA. Check and double check. Headspacing a barrel involves more than potential accuracy and brass life, safety should always be the main concern. Would a inspector in a machine shop opt to rig a GO gauge, and forgo using the certified NO-GO gauge before delivering to the customer? (who will use his inspector and gauges to varify that the parts he ordered are to spec, before accepting those parts) [/QUOTE]
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Go no-go gauges
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