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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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<blockquote data-quote="jarnold37" data-source="post: 1866353" data-attributes="member: 29241"><p>I may be way off here, but if a tailstock is perfectly zeroed with the rotation of the spindle the back of the chamber will be "fat". Cutting the chamber to minimum specs refers to length, or depth of the chamber. Some gunsmiths show a video of the newly cut chamber with a plug guage inserted in back of chamber with a tight fit. My first chamber job resulted in a chamber that allowed rhe case to expand 007 right above the web. Problems are even worse with a belted case. Simple to determine. Just measure back of chamber. My tailstock after aligning laterally was .0029 high x's 2 equalled chamber .007 big at back, even though barrel was indicated to 1-2 tenths.</p></blockquote><p></p>
[QUOTE="jarnold37, post: 1866353, member: 29241"] I may be way off here, but if a tailstock is perfectly zeroed with the rotation of the spindle the back of the chamber will be "fat". Cutting the chamber to minimum specs refers to length, or depth of the chamber. Some gunsmiths show a video of the newly cut chamber with a plug guage inserted in back of chamber with a tight fit. My first chamber job resulted in a chamber that allowed rhe case to expand 007 right above the web. Problems are even worse with a belted case. Simple to determine. Just measure back of chamber. My tailstock after aligning laterally was .0029 high x's 2 equalled chamber .007 big at back, even though barrel was indicated to 1-2 tenths. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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