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Rifles, Reloading, Optics, Equipment
Reloading
Head space gauge
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<blockquote data-quote="Bart B" data-source="post: 669565" data-attributes="member: 5302"><p>AZshooter, he's asking about a case headspace guage, such as the RCBS Precision Mic to measure fired and full length sized cases' dimension from head to shoulder datum. Good thing to have for setting up a full length sizing die such that it sets fired case shoulders back only a couple thousandths.</p><p></p><p>You mention a bolt action can handle a tight fit of the loaded case in the chamber. I disagree. Tight fits that make the bolt bind a bit when they're closed hurts accuracy; especially in rifles whose bolt face ain't squared up with the chamber axis. There needs to be a tiny bit of clearance so the bolt will close to the same place with the same fit ant tension for each shot if accuracy is important.</p></blockquote><p></p>
[QUOTE="Bart B, post: 669565, member: 5302"] AZshooter, he's asking about a case headspace guage, such as the RCBS Precision Mic to measure fired and full length sized cases' dimension from head to shoulder datum. Good thing to have for setting up a full length sizing die such that it sets fired case shoulders back only a couple thousandths. You mention a bolt action can handle a tight fit of the loaded case in the chamber. I disagree. Tight fits that make the bolt bind a bit when they're closed hurts accuracy; especially in rifles whose bolt face ain't squared up with the chamber axis. There needs to be a tiny bit of clearance so the bolt will close to the same place with the same fit ant tension for each shot if accuracy is important. [/QUOTE]
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Reloading
Head space gauge
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