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Hunting
The Basics, Starting Out
Measuring shoulder bump with coal vs shoulder comparator
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<blockquote data-quote="cajun" data-source="post: 2610328" data-attributes="member: 9772"><p>In order to do that properly your bolt needs to be stripped. Also your still using a subjective measure as in feel. A headspace comparator gives you a number to go off and is going to be more accurate. Also you can measure how much your brass is growing on firing and control the resizing process. With the above method you have no idea how much the bump is. I had a rifle once with an oversized chamber and a die that was sizing way below minimum spec. The result was about 15 thou shoulder bump and a case head separation. The tool is cheap and well worth it.</p></blockquote><p></p>
[QUOTE="cajun, post: 2610328, member: 9772"] In order to do that properly your bolt needs to be stripped. Also your still using a subjective measure as in feel. A headspace comparator gives you a number to go off and is going to be more accurate. Also you can measure how much your brass is growing on firing and control the resizing process. With the above method you have no idea how much the bump is. I had a rifle once with an oversized chamber and a die that was sizing way below minimum spec. The result was about 15 thou shoulder bump and a case head separation. The tool is cheap and well worth it. [/QUOTE]
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The Basics, Starting Out
Measuring shoulder bump with coal vs shoulder comparator
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