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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Contender firing pin not hitting primer consistently
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<blockquote data-quote="nksmfamjp" data-source="post: 2858205" data-attributes="member: 1951"><p>Case Base to shoulder Datum circle.</p><p></p><p>Usually a bushing is used to create the datum circle or to engage on the shoulder angle. Measurements are reference measurements because there is something different about how SAAMI measures. Also, I'm trying to figure out from zero effort bolt close, how much gap I have.</p><p></p><p>Bellm on headspace ….a good read</p><p>[URL unfurl="true"]http://www.lasc.us/bellmHeadspace.htm[/URL]</p></blockquote><p></p>
[QUOTE="nksmfamjp, post: 2858205, member: 1951"] Case Base to shoulder Datum circle. Usually a bushing is used to create the datum circle or to engage on the shoulder angle. Measurements are reference measurements because there is something different about how SAAMI measures. Also, I’m trying to figure out from zero effort bolt close, how much gap I have. Bellm on headspace ….a good read [URL unfurl="true"]http://www.lasc.us/bellmHeadspace.htm[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Contender firing pin not hitting primer consistently
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